{"rowid": 7, "Rank": 7, "Pollster": "Marquette University Law School", "Pollster Rating ID": 195, "Polls Analyzed": 13, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.8697002861718625, "538 Grade": "A/B", "Mean-Reverted Bias": 0.3831011403830225, "Races Called Correctly": 0.8076923076923077, "Misses Outside MOE": 0.0769230769230769, "Simple Average Error": 2.932985892662635, "Simple Expected Error": 6.054269110656587, "Simple Plus-Minus": -3.116428877387361, "Advanced Plus-Minus": -3.454291736544523, "Mean-Reverted Advanced Plus Minus": -1.235316783275665, "# of Polls for Bias Analysis": 9, "Bias": 1.407818264431424, "House Effect": -0.5141475002058183, "Average Distance from Polling Average (ADPA)": 4.347614329091975, "Herding Penalty": 0.1538779277881331}
{"rowid": 116, "Rank": 116, "Pollster": "Starboard Communications", "Pollster Rating ID": 316, "Polls Analyzed": 4, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.1274346382177961, "538 Grade": "B/C", "Mean-Reverted Bias": 0.374046740297524, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 2.159484386444092, "Simple Expected Error": 5.083658222124731, "Simple Plus-Minus": -2.91931949507405, "Advanced Plus-Minus": -6.562266283829818, "Mean-Reverted Advanced Plus Minus": -1.143598075117469, "# of Polls for Bias Analysis": 3, "Bias": 2.83880869547526, "House Effect": -5.112361537085639, "Average Distance from Polling Average (ADPA)": 14.37580641278399, "Herding Penalty": 0.0}
{"rowid": 3, "Rank": 3, "Pollster": "Siena College/The New York Times Upshot", "Pollster Rating ID": 448, "Polls Analyzed": 83, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.9544521038153676, "538 Grade": "A+", "Mean-Reverted Bias": 1.14294147140295, "Races Called Correctly": 0.7289156626506024, "Misses Outside MOE": 0.2048192771084337, "Simple Average Error": 4.352681654045381, "Simple Expected Error": 5.364920020225804, "Simple Plus-Minus": -1.007384025573833, "Advanced Plus-Minus": -1.309740901950579, "Mean-Reverted Advanced Plus Minus": -1.055391384869558, "# of Polls for Bias Analysis": 82, "Bias": 1.422586092134801, "House Effect": 0.2312039975053743, "Average Distance from Polling Average (ADPA)": 3.574593667720398, "Herding Penalty": 0.225521742481611}
{"rowid": 10, "Rank": 10, "Pollster": "Research & Polling Inc.", "Pollster Rating ID": 280, "Polls Analyzed": 40, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.7513833843367311, "538 Grade": "A", "Mean-Reverted Bias": -0.6080981815445845, "Races Called Correctly": 0.875, "Misses Outside MOE": 0.1, "Simple Average Error": 4.338134384155273, "Simple Expected Error": 5.568008056561508, "Simple Plus-Minus": -1.225019331799646, "Advanced Plus-Minus": -1.767130072846286, "Mean-Reverted Advanced Plus Minus": -1.045516722924715, "# of Polls for Bias Analysis": 39, "Bias": -1.030772771590795, "House Effect": 0.4793430099621862, "Average Distance from Polling Average (ADPA)": 4.64207646394386, "Herding Penalty": 0.3149313028156319}
{"rowid": 1, "Rank": 1, "Pollster": "Selzer & Co.", "Pollster Rating ID": 304, "Polls Analyzed": 50, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -1.164872371474521, "538 Grade": "A+", "Mean-Reverted Bias": 0.1068463875508721, "Races Called Correctly": 0.78, "Misses Outside MOE": 0.24, "Simple Average Error": 4.562133331298828, "Simple Expected Error": 5.959977154458428, "Simple Plus-Minus": -1.39298948255301, "Advanced Plus-Minus": -1.623991286805722, "Mean-Reverted Advanced Plus Minus": -1.006764054913049, "# of Polls for Bias Analysis": 33, "Bias": 0.2013049270167495, "House Effect": -0.2436310533715819, "Average Distance from Polling Average (ADPA)": 5.339088853326275, "Herding Penalty": 0.0}
{"rowid": 6, "Rank": 6, "Pollster": "SurveyUSA", "Pollster Rating ID": 325, "Polls Analyzed": 834, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.8752330868681902, "538 Grade": "A", "Mean-Reverted Bias": 0.0484691218432057, "Races Called Correctly": 0.8932853717026379, "Misses Outside MOE": 0.1954436450839329, "Simple Average Error": 4.704052174977547, "Simple Expected Error": 5.683743839377613, "Simple Plus-Minus": -0.9748373237934712, "Advanced Plus-Minus": -1.032314128557589, "Mean-Reverted Advanced Plus Minus": -0.9872966045424652, "# of Polls for Bias Analysis": 673, "Bias": 0.0512701689222769, "House Effect": -0.5315926826248129, "Average Distance from Polling Average (ADPA)": 4.945520069959565, "Herding Penalty": 0.1361415019183604}
{"rowid": 92, "Rank": 92, "Pollster": "Clemson University", "Pollster Rating ID": 54, "Polls Analyzed": 8, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.0327079524429111, "538 Grade": "A/B", "Mean-Reverted Bias": 0.0305970901911662, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.5, "Simple Average Error": 10.055743932724, "Simple Expected Error": 7.745665259712248, "Simple Plus-Minus": 2.31493301361834, "Advanced Plus-Minus": -4.333011535195882, "Mean-Reverted Advanced Plus Minus": -0.9821700093118636, "# of Polls for Bias Analysis": 2, "Bias": 1.24305534362793, "House Effect": 2.166666666666666, "Average Distance from Polling Average (ADPA)": 15.99796985711743, "Herding Penalty": 0.0}
{"rowid": 2, "Rank": 2, "Pollster": "ABC News/The Washington Post", "Pollster Rating ID": 3, "Polls Analyzed": 82, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.9919601103089348, "538 Grade": "A+", "Mean-Reverted Bias": 0.919806741264664, "Races Called Correctly": 0.7378048780487805, "Misses Outside MOE": 0.0853658536585366, "Simple Average Error": 3.053507269882574, "Simple Expected Error": 4.972745084419228, "Simple Plus-Minus": -1.914383473930063, "Advanced Plus-Minus": -1.328716976870906, "Mean-Reverted Advanced Plus Minus": -0.980676124300166, "# of Polls for Bias Analysis": 77, "Bias": 1.256718524090656, "House Effect": 1.231279279930035, "Average Distance from Polling Average (ADPA)": 3.827491674106647, "Herding Penalty": 0.1323492717694392}
{"rowid": 5, "Rank": 5, "Pollster": "Field Research Corp. (Field Poll)", "Pollster Rating ID": 94, "Polls Analyzed": 25, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.9066947881490728, "538 Grade": "A/B", "Mean-Reverted Bias": -0.68286791423325, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.2, "Simple Average Error": 4.103997268676758, "Simple Expected Error": 5.990497434167947, "Simple Plus-Minus": -1.881645824884602, "Advanced Plus-Minus": -2.473642991473191, "Mean-Reverted Advanced Plus Minus": -0.92313398496665, "# of Polls for Bias Analysis": 18, "Bias": -2.45507632361518, "House Effect": 0.725440897248749, "Average Distance from Polling Average (ADPA)": 4.752570927914591, "Herding Penalty": 0.0}
{"rowid": 9, "Rank": 9, "Pollster": "Landmark Communications", "Pollster Rating ID": 166, "Polls Analyzed": 48, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.786005596999762, "538 Grade": "A", "Mean-Reverted Bias": 1.414304425825647, "Races Called Correctly": 0.7708333333333334, "Misses Outside MOE": 0.1666666666666667, "Simple Average Error": 4.448425730069478, "Simple Expected Error": 5.431063119323992, "Simple Plus-Minus": -0.9777830486479258, "Advanced Plus-Minus": -1.360030188032199, "Mean-Reverted Advanced Plus Minus": -0.9120955116881638, "# of Polls for Bias Analysis": 42, "Bias": 2.192652974809919, "House Effect": -1.707165289556037, "Average Distance from Polling Average (ADPA)": 4.390866224150755, "Herding Penalty": 0.0583615807178807}
{"rowid": 13, "Rank": 13, "Pollster": "Monmouth University", "Pollster Rating ID": 215, "Polls Analyzed": 120, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.7076238531971101, "538 Grade": "A", "Mean-Reverted Bias": 2.087707895122895, "Races Called Correctly": 0.7833333333333333, "Misses Outside MOE": 0.2666666666666667, "Simple Average Error": 5.895935599009196, "Simple Expected Error": 6.281559100011743, "Simple Plus-Minus": -0.3807691603959558, "Advanced Plus-Minus": -1.036981998571407, "Mean-Reverted Advanced Plus Minus": -0.8643483465169622, "# of Polls for Bias Analysis": 83, "Bias": 2.741045687572066, "House Effect": -0.1174755194307274, "Average Distance from Polling Average (ADPA)": 4.889776770866244, "Herding Penalty": 0.2711130049671029}
{"rowid": 32, "Rank": 32, "Pollster": "Grove Insight", "Pollster Rating ID": 129, "Polls Analyzed": 29, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.3776262492576777, "538 Grade": "A/B", "Mean-Reverted Bias": 0.5517539789181637, "Races Called Correctly": 0.896551724137931, "Misses Outside MOE": 0.0689655172413793, "Simple Average Error": 2.952531748804553, "Simple Expected Error": 5.123228803365846, "Simple Plus-Minus": -2.165842713954703, "Advanced Plus-Minus": -1.854106225333469, "Mean-Reverted Advanced Plus Minus": -0.8506096999546133, "# of Polls for Bias Analysis": 29, "Bias": 1.202679075043777, "House Effect": 3.314108001571689, "Average Distance from Polling Average (ADPA)": 3.847079442203469, "Herding Penalty": 0.6483529342285926}
{"rowid": 8, "Rank": 8, "Pollster": "Siena College", "Pollster Rating ID": 305, "Polls Analyzed": 55, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.8293660466608428, "538 Grade": "A", "Mean-Reverted Bias": -0.5366020204415759, "Races Called Correctly": 0.8727272727272727, "Misses Outside MOE": 0.2545454545454545, "Simple Average Error": 5.02008486661044, "Simple Expected Error": 5.578377511654227, "Simple Plus-Minus": -0.5534383044371974, "Advanced Plus-Minus": -1.225251368148029, "Mean-Reverted Advanced Plus Minus": -0.8036684444001194, "# of Polls for Bias Analysis": 50, "Bias": -0.844322738647461, "House Effect": -1.053552798344115, "Average Distance from Polling Average (ADPA)": 4.695373958576219, "Herding Penalty": 0.1790445736095319}
{"rowid": 4, "Rank": 4, "Pollster": "IBD/TIPP", "Pollster Rating ID": 144, "Polls Analyzed": 31, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.9384244225719548, "538 Grade": "A+", "Mean-Reverted Bias": -0.8323505085998764, "Races Called Correctly": 0.8064516129032258, "Misses Outside MOE": 0.032258064516129, "Simple Average Error": 2.085001545567666, "Simple Expected Error": 4.009343275206846, "Simple Plus-Minus": -1.919487389032589, "Advanced Plus-Minus": -1.512109181475797, "Mean-Reverted Advanced Plus Minus": -0.7926143837060662, "# of Polls for Bias Analysis": 31, "Bias": -1.587915728169103, "House Effect": -1.814818206485563, "Average Distance from Polling Average (ADPA)": 3.704195219998842, "Herding Penalty": 0.0994545884761387}
{"rowid": 136, "Rank": 136, "Pollster": "ROI Rocket", "Pollster Rating ID": 554, "Polls Analyzed": 3, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.2234285714285715, "538 Grade": "B/C", "Mean-Reverted Bias": null, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.3333333333333333, "Simple Average Error": 2.599483489990234, "Simple Expected Error": 8.232182047700974, "Simple Plus-Minus": -5.62784421710415, "Advanced Plus-Minus": -5.238768298462158, "Mean-Reverted Advanced Plus Minus": -0.7483954712088796, "# of Polls for Bias Analysis": 0, "Bias": null, "House Effect": null, "Average Distance from Polling Average (ADPA)": 4.0, "Herding Penalty": 0.4249855547435774}
{"rowid": 98, "Rank": 98, "Pollster": "co/efficient", "Pollster Rating ID": 514, "Polls Analyzed": 5, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.0025374719739618, "538 Grade": "B/C", "Mean-Reverted Bias": -0.1458200546642594, "Races Called Correctly": 0.8, "Misses Outside MOE": 0.0, "Simple Average Error": 2.651225280761719, "Simple Expected Error": 4.891678480928892, "Simple Plus-Minus": -2.235598859560584, "Advanced Plus-Minus": -3.390815593488743, "Mean-Reverted Advanced Plus Minus": -0.7294941728289335, "# of Polls for Bias Analysis": 5, "Bias": -0.6777969360351562, "House Effect": -7.721500015258789, "Average Distance from Polling Average (ADPA)": 3.0, "Herding Penalty": 0.2086763622067728}
{"rowid": 57, "Rank": 57, "Pollster": "Angus Reid Global", "Pollster Rating ID": 13, "Polls Analyzed": 31, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.1891576113303911, "538 Grade": "B+", "Mean-Reverted Bias": -1.156968436932061, "Races Called Correctly": 0.935483870967742, "Misses Outside MOE": 0.0645161290322581, "Simple Average Error": 3.188856924733808, "Simple Expected Error": 4.892401796541075, "Simple Plus-Minus": -1.698690531200678, "Advanced Plus-Minus": -1.402220205704477, "Mean-Reverted Advanced Plus Minus": -0.6996465885099965, "# of Polls for Bias Analysis": 31, "Bias": -2.318777145877961, "House Effect": 0.7856167374884813, "Average Distance from Polling Average (ADPA)": 2.999321370691419, "Herding Penalty": 0.7563524627758474}
{"rowid": 50, "Rank": 50, "Pollster": "Florida Atlantic University", "Pollster Rating ID": 97, "Polls Analyzed": 9, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.2161511206524903, "538 Grade": "A/B", "Mean-Reverted Bias": 0.6514053149811404, "Races Called Correctly": 0.6666666666666666, "Misses Outside MOE": 0.0, "Simple Average Error": 3.636521657307943, "Simple Expected Error": 6.661359402823979, "Simple Plus-Minus": -3.019983404909446, "Advanced Plus-Minus": -2.279551776412484, "Mean-Reverted Advanced Plus Minus": -0.6921803183240303, "# of Polls for Bias Analysis": 5, "Bias": 3.434135437011719, "House Effect": 0.3300030026579208, "Average Distance from Polling Average (ADPA)": 3.668343239936295, "Herding Penalty": 0.4501304626064923}
{"rowid": 39, "Rank": 39, "Pollster": "Elway Research", "Pollster Rating ID": 87, "Polls Analyzed": 21, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.2878686657814885, "538 Grade": "A/B", "Mean-Reverted Bias": 0.7794182414161517, "Races Called Correctly": 0.9047619047619048, "Misses Outside MOE": 0.0476190476190476, "Simple Average Error": 3.919994990030924, "Simple Expected Error": 5.772737359049807, "Simple Plus-Minus": -1.847888028412294, "Advanced Plus-Minus": -1.814172326516857, "Mean-Reverted Advanced Plus Minus": -0.6849752711822185, "# of Polls for Bias Analysis": 20, "Bias": 2.090176296234131, "House Effect": 3.493979747174967, "Average Distance from Polling Average (ADPA)": 4.20824696842231, "Herding Penalty": 0.3597209642869031}
{"rowid": 60, "Rank": 60, "Pollster": "Cygnal", "Pollster Rating ID": 67, "Polls Analyzed": 20, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.1781167384084711, "538 Grade": "B+", "Mean-Reverted Bias": 2.050310420752583, "Races Called Correctly": 0.95, "Misses Outside MOE": 0.15, "Simple Average Error": 4.379972457885742, "Simple Expected Error": 5.295646775726844, "Simple Plus-Minus": -0.9108199772345128, "Advanced Plus-Minus": -1.34953509896708, "Mean-Reverted Advanced Plus Minus": -0.6761011620367349, "# of Polls for Bias Analysis": 20, "Bias": 4.092532348632813, "House Effect": -0.6020701489306607, "Average Distance from Polling Average (ADPA)": 3.324110385764116, "Herding Penalty": 0.7310457766211726}
{"rowid": 34, "Rank": 34, "Pollster": "National Research Inc.", "Pollster Rating ID": 225, "Polls Analyzed": 15, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.3587017883973611, "538 Grade": "A/B", "Mean-Reverted Bias": -0.4235082427366348, "Races Called Correctly": 0.7666666666666667, "Misses Outside MOE": 0.1333333333333333, "Simple Average Error": 4.39080924987793, "Simple Expected Error": 6.097393954064403, "Simple Plus-Minus": -1.701730363579884, "Advanced Plus-Minus": -1.639751504682349, "Mean-Reverted Advanced Plus Minus": -0.6537048030578724, "# of Polls for Bias Analysis": 12, "Bias": -1.213219165802002, "House Effect": -2.9290894101226, "Average Distance from Polling Average (ADPA)": 4.708379748852069, "Herding Penalty": 0.1404424683507143}
{"rowid": 96, "Rank": 96, "Pollster": "Saint Anselm College", "Pollster Rating ID": 494, "Polls Analyzed": 5, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.0043478260869565, "538 Grade": "A/B", "Mean-Reverted Bias": 0.4983920221743376, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.2, "Simple Average Error": 2.593349456787109, "Simple Expected Error": 5.025210111007667, "Simple Plus-Minus": -2.427006313613969, "Advanced Plus-Minus": -2.983210610041913, "Mean-Reverted Advanced Plus Minus": -0.6485240456612853, "# of Polls for Bias Analysis": 5, "Bias": 2.292603302001953, "House Effect": 0.0333333333333332, "Average Distance from Polling Average (ADPA)": 2.666666666666667, "Herding Penalty": 0.9257676034617008}
{"rowid": 14, "Rank": 14, "Pollster": "Marist College", "Pollster Rating ID": 183, "Polls Analyzed": 189, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.669456194648838, "538 Grade": "A", "Mean-Reverted Bias": 0.1069875574214711, "Races Called Correctly": 0.8333333333333334, "Misses Outside MOE": 0.2698412698412698, "Simple Average Error": 5.503499348958333, "Simple Expected Error": 6.156418871325839, "Simple Plus-Minus": -0.6480651817609135, "Advanced Plus-Minus": -0.7272975370227955, "Mean-Reverted Advanced Plus Minus": -0.637006178226108, "# of Polls for Bias Analysis": 121, "Bias": 0.1314358671834646, "House Effect": 0.0296862598112305, "Average Distance from Polling Average (ADPA)": 4.997716942331857, "Herding Penalty": 0.0219156245512363}
{"rowid": 49, "Rank": 49, "Pollster": "Muhlenberg College", "Pollster Rating ID": 219, "Polls Analyzed": 32, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.2210083283841471, "538 Grade": "B+", "Mean-Reverted Bias": -0.1419693389474709, "Races Called Correctly": 0.859375, "Misses Outside MOE": 0.09375, "Simple Average Error": 3.769753098487854, "Simple Expected Error": 5.368856193738219, "Simple Plus-Minus": -1.594248754643777, "Advanced Plus-Minus": -1.1234256042749, "Mean-Reverted Advanced Plus Minus": -0.5991136673049047, "# of Polls for Bias Analysis": 31, "Bias": -0.2723562179073211, "House Effect": 0.2832179336884245, "Average Distance from Polling Average (ADPA)": 3.64568803660892, "Herding Penalty": 1.073063459774076}
{"rowid": 12, "Rank": 12, "Pollster": "MassINC Polling Group", "Pollster Rating ID": 198, "Polls Analyzed": 20, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.7440584999606555, "538 Grade": "A/B", "Mean-Reverted Bias": -0.7850465739065724, "Races Called Correctly": 0.85, "Misses Outside MOE": 0.2, "Simple Average Error": 4.52824182510376, "Simple Expected Error": 6.208162293460438, "Simple Plus-Minus": -1.675066127750088, "Advanced Plus-Minus": -1.257475622479393, "Mean-Reverted Advanced Plus Minus": -0.5865806232527697, "# of Polls for Bias Analysis": 14, "Bias": -2.180184500558036, "House Effect": -1.995397342239822, "Average Distance from Polling Average (ADPA)": 5.79614435261604, "Herding Penalty": 0.0812833459930051}
{"rowid": 110, "Rank": 110, "Pollster": "North Star Opinion Research/Ayres, McHenry & Associates", "Pollster Rating ID": 233, "Polls Analyzed": 9, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.0504356796517282, "538 Grade": "B/C", "Mean-Reverted Bias": -0.5912618270888067, "Races Called Correctly": 0.9444444444444444, "Misses Outside MOE": 0.2222222222222222, "Simple Average Error": 4.970684263441298, "Simple Expected Error": 6.491519398164647, "Simple Plus-Minus": -1.515980794116761, "Advanced Plus-Minus": -2.929827124984147, "Mean-Reverted Advanced Plus Minus": -0.5843972775454493, "# of Polls for Bias Analysis": 7, "Bias": -3.121360778808594, "House Effect": -4.666666666666667, "Average Distance from Polling Average (ADPA)": 4.414213562373095, "Herding Penalty": 0.3295715813110982}
{"rowid": 25, "Rank": 25, "Pollster": "Strategic Vision LLC", "Pollster Rating ID": 320, "Polls Analyzed": 133, "NCPP/AAPOR/Roper": "no", "Banned by 538": "yes", "Predictive Plus-Minus": -0.4093433552458224, "538 Grade": "F", "Mean-Reverted Bias": -1.565349522249775, "Races Called Correctly": 0.8872180451127819, "Misses Outside MOE": 0.1879699248120301, "Simple Average Error": 3.9196988729606, "Simple Expected Error": 5.182542290160064, "Simple Plus-Minus": -1.257989076592874, "Advanced Plus-Minus": -0.7759489547791791, "Mean-Reverted Advanced Plus Minus": -0.5668363365415784, "# of Polls for Bias Analysis": 110, "Bias": -2.31423058943315, "House Effect": -2.151473507112263, "Average Distance from Polling Average (ADPA)": 4.35200216571219, "Herding Penalty": 0.1182012843699503}
{"rowid": 17, "Rank": 17, "Pollster": "Data Orbital", "Pollster Rating ID": 73, "Polls Analyzed": 13, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.5601375650091485, "538 Grade": "A/B", "Mean-Reverted Bias": 0.5515915781817705, "Races Called Correctly": 0.9615384615384616, "Misses Outside MOE": 0.0, "Simple Average Error": 2.397174541766827, "Simple Expected Error": 4.830461730624204, "Simple Plus-Minus": -2.428432848250788, "Advanced Plus-Minus": -1.487450615111105, "Mean-Reverted Advanced Plus Minus": -0.5659004369636715, "# of Polls for Bias Analysis": 13, "Bias": 1.449840252216046, "House Effect": -1.198510417111883, "Average Distance from Polling Average (ADPA)": 4.046261810032384, "Herding Penalty": 0.4437168583600935}
{"rowid": 78, "Rank": 78, "Pollster": "Fleming & Associates", "Pollster Rating ID": 96, "Polls Analyzed": 18, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.0758072388077397, "538 Grade": "A/B", "Mean-Reverted Bias": -0.5879486169435573, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.1111111111111111, "Simple Average Error": 5.132949617173937, "Simple Expected Error": 5.804779806534564, "Simple Plus-Minus": -0.6669758487540385, "Advanced Plus-Minus": -1.634495628457428, "Mean-Reverted Advanced Plus Minus": -0.5652653590346407, "# of Polls for Bias Analysis": 16, "Bias": -1.821194887161255, "House Effect": -0.2280219780219779, "Average Distance from Polling Average (ADPA)": 4.121158932446784, "Herding Penalty": 0.562868849288604}
{"rowid": 11, "Rank": 11, "Pollster": "AtlasIntel", "Pollster Rating ID": 546, "Polls Analyzed": 22, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.7499685151956839, "538 Grade": "A", "Mean-Reverted Bias": 0.4354616403579712, "Races Called Correctly": 0.75, "Misses Outside MOE": 0.2272727272727273, "Simple Average Error": 4.584125345403498, "Simple Expected Error": 5.225420256679696, "Simple Plus-Minus": -0.6364405706696089, "Advanced Plus-Minus": -1.023215482173971, "Mean-Reverted Advanced Plus Minus": -0.5627685151956839, "# of Polls for Bias Analysis": 14, "Bias": 0.9953408922467912, "House Effect": -1.740201084411755, "Average Distance from Polling Average (ADPA)": 6.067670031564372, "Herding Penalty": 0.0}
{"rowid": 30, "Rank": 30, "Pollster": "Emerson College", "Pollster Rating ID": 88, "Polls Analyzed": 201, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.3918043792305625, "538 Grade": "A-", "Mean-Reverted Bias": 0.8432465238911562, "Races Called Correctly": 0.763681592039801, "Misses Outside MOE": 0.2189054726368159, "Simple Average Error": 5.191912617849473, "Simple Expected Error": 5.690332812916279, "Simple Plus-Minus": -0.4935658544602152, "Advanced Plus-Minus": -0.6118003743061373, "Mean-Reverted Advanced Plus Minus": -0.5538779247346115, "# of Polls for Bias Analysis": 159, "Bias": 0.954035165174952, "House Effect": -1.373640348124942, "Average Distance from Polling Average (ADPA)": 4.557129234575539, "Herding Penalty": 0.2225262811932984}
{"rowid": 162, "Rank": 162, "Pollster": "McKeon & Associates", "Pollster Rating ID": 202, "Polls Analyzed": 3, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.3472626287757798, "538 Grade": "B/C", "Mean-Reverted Bias": 0.1940686070137743, "Races Called Correctly": 0.6666666666666666, "Misses Outside MOE": 0.3333333333333333, "Simple Average Error": 2.908102671305338, "Simple Expected Error": 5.773995098674106, "Simple Plus-Minus": -2.861038086762178, "Advanced Plus-Minus": -5.210448699142625, "Mean-Reverted Advanced Plus Minus": -0.5332140147475531, "# of Polls for Bias Analysis": 2, "Bias": 3.034235000610352, "House Effect": 0.5928573608398438, "Average Distance from Polling Average (ADPA)": 12.75257481287512, "Herding Penalty": 0.0}
{"rowid": 63, "Rank": 63, "Pollster": "Wick", "Pollster Rating ID": 284, "Polls Analyzed": 7, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.1558947575762597, "538 Grade": "A/B", "Mean-Reverted Bias": -0.1659714457749334, "Races Called Correctly": 0.7142857142857143, "Misses Outside MOE": 0.0, "Simple Average Error": 2.200096947806222, "Simple Expected Error": 3.925699169269442, "Simple Plus-Minus": -1.72074788085663, "Advanced Plus-Minus": -1.907580142382158, "Mean-Reverted Advanced Plus Minus": -0.5251704232891569, "# of Polls for Bias Analysis": 7, "Bias": -0.6028592245919364, "House Effect": -3.730497145167032, "Average Distance from Polling Average (ADPA)": 5.761407580823872, "Herding Penalty": 0.0}
{"rowid": 159, "Rank": 159, "Pollster": "Iowa State University", "Pollster Rating ID": 153, "Polls Analyzed": 3, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.3420453059425479, "538 Grade": "B/C", "Mean-Reverted Bias": null, "Races Called Correctly": 0.6666666666666666, "Misses Outside MOE": 0.3333333333333333, "Simple Average Error": 6.246297836303711, "Simple Expected Error": 10.63547991170321, "Simple Plus-Minus": -4.384327734792912, "Advanced Plus-Minus": -5.024609190012803, "Mean-Reverted Advanced Plus Minus": -0.5227742401075861, "# of Polls for Bias Analysis": 0, "Bias": null, "House Effect": null, "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0}
{"rowid": 15, "Rank": 15, "Pollster": "Fox News/Beacon Research/Shaw & Co. Research", "Pollster Rating ID": 103, "Polls Analyzed": 46, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.6526828278459328, "538 Grade": "A", "Mean-Reverted Bias": 1.807602334432939, "Races Called Correctly": 0.75, "Misses Outside MOE": 0.3695652173913043, "Simple Average Error": 5.56253603230352, "Simple Expected Error": 5.996276726177782, "Simple Plus-Minus": -0.428886353267673, "Advanced Plus-Minus": -0.7697429920479961, "Mean-Reverted Advanced Plus Minus": -0.5150206567139288, "# of Polls for Bias Analysis": 31, "Bias": 3.073489773658014, "House Effect": 0.8663459100829412, "Average Distance from Polling Average (ADPA)": 4.616863057440015, "Herding Penalty": 0.0}
{"rowid": 124, "Rank": 124, "Pollster": "Strategic National", "Pollster Rating ID": 318, "Polls Analyzed": 4, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.1543586758086807, "538 Grade": "B/C", "Mean-Reverted Bias": 0.4398194325814016, "Races Called Correctly": 0.375, "Misses Outside MOE": 0.25, "Simple Average Error": 3.024273872375488, "Simple Expected Error": 5.346863823211337, "Simple Plus-Minus": -2.317735610229259, "Advanced Plus-Minus": -3.108772776530754, "Mean-Reverted Advanced Plus Minus": -0.5143730311959864, "# of Polls for Bias Analysis": 4, "Bias": 2.658185005187988, "House Effect": -4.752777735392253, "Average Distance from Polling Average (ADPA)": 5.38876275643042, "Herding Penalty": 0.0146684532680748}
{"rowid": 28, "Rank": 28, "Pollster": "Mason-Dixon Polling & Strategy", "Pollster Rating ID": 197, "Polls Analyzed": 445, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.3941200659842879, "538 Grade": "A-", "Mean-Reverted Bias": -0.515802352230278, "Races Called Correctly": 0.8595505617977528, "Misses Outside MOE": 0.2314606741573034, "Simple Average Error": 5.126149068253763, "Simple Expected Error": 5.502781457258179, "Simple Plus-Minus": -0.3717780483978276, "Advanced Plus-Minus": -0.5459035304715585, "Mean-Reverted Advanced Plus Minus": -0.4987849836613195, "# of Polls for Bias Analysis": 388, "Bias": -0.571141262644345, "House Effect": -1.116511699454303, "Average Distance from Polling Average (ADPA)": 5.146237051158085, "Herding Penalty": 0.0896130661159873}
{"rowid": 22, "Rank": 22, "Pollster": "Trafalgar Group", "Pollster Rating ID": 338, "Polls Analyzed": 76, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.44111500781667, "538 Grade": "A-", "Mean-Reverted Bias": -1.322880839391394, "Races Called Correctly": 0.6578947368421053, "Misses Outside MOE": 0.3289473684210527, "Simple Average Error": 4.464504016073127, "Simple Expected Error": 4.785290985686268, "Simple Plus-Minus": -0.3159326290065507, "Advanced Plus-Minus": -0.628346204721615, "Mean-Reverted Advanced Plus Minus": -0.4965072263540098, "# of Polls for Bias Analysis": 62, "Bias": -1.730800259497858, "House Effect": -4.426759876682544, "Average Distance from Polling Average (ADPA)": 5.635691353916745, "Herding Penalty": 0.0}
{"rowid": 187, "Rank": 187, "Pollster": "Master Image", "Pollster Rating ID": 200, "Polls Analyzed": 2, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.425486792621247, "538 Grade": "B/C", "Mean-Reverted Bias": null, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 1.163215637207031, "Simple Expected Error": 9.148190844036044, "Simple Plus-Minus": -7.980120866222423, "Advanced Plus-Minus": -6.450210786693455, "Mean-Reverted Advanced Plus Minus": -0.4949802420996439, "# of Polls for Bias Analysis": 0, "Bias": null, "House Effect": null, "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0}
{"rowid": 26, "Rank": 26, "Pollster": "Public Opinion Strategies", "Pollster Rating ID": 260, "Polls Analyzed": 77, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.4030286177198171, "538 Grade": "A-", "Mean-Reverted Bias": -1.463957198958165, "Races Called Correctly": 0.6818181818181818, "Misses Outside MOE": 0.2077922077922078, "Simple Average Error": 5.400956191025771, "Simple Expected Error": 5.741270746812678, "Simple Plus-Minus": -0.335460215180316, "Advanced Plus-Minus": -0.7056691730313095, "Mean-Reverted Advanced Plus Minus": -0.490177117985457, "# of Polls for Bias Analysis": 75, "Bias": -2.147500305175781, "House Effect": -4.293983837071058, "Average Distance from Polling Average (ADPA)": 4.560357895633497, "Herding Penalty": 0.3083430447215038}
{"rowid": 19, "Rank": 19, "Pollster": "Blum & Weprin Associates", "Pollster Rating ID": 32, "Polls Analyzed": 19, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.5370805569371541, "538 Grade": "A/B", "Mean-Reverted Bias": -0.6930586251044314, "Races Called Correctly": 0.9473684210526316, "Misses Outside MOE": 0.2105263157894737, "Simple Average Error": 4.740097848992598, "Simple Expected Error": 5.245323230143717, "Simple Plus-Minus": -0.5003710405445295, "Advanced Plus-Minus": -2.155558391362864, "Mean-Reverted Advanced Plus Minus": -0.4691066218503643, "# of Polls for Bias Analysis": 17, "Bias": -3.425431644215303, "House Effect": 0.5520147939495113, "Average Distance from Polling Average (ADPA)": 4.496007923756143, "Herding Penalty": 0.0729941157575656}
{"rowid": 150, "Rank": 150, "Pollster": "Ogden & Fry", "Pollster Rating ID": 425, "Polls Analyzed": 3, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.3001234758833004, "538 Grade": "B/C", "Mean-Reverted Bias": -0.0130636356899012, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 2.535954157511393, "Simple Expected Error": 5.944371449213182, "Simple Plus-Minus": -3.403562951095199, "Advanced Plus-Minus": -3.96749256953032, "Mean-Reverted Advanced Plus Minus": -0.4672144749284703, "# of Polls for Bias Analysis": 2, "Bias": -0.2278366088867188, "House Effect": -5.816668192545573, "Average Distance from Polling Average (ADPA)": 5.950001525878906, "Herding Penalty": 0.0}
{"rowid": 142, "Rank": 142, "Pollster": "Insights West", "Pollster Rating ID": 151, "Polls Analyzed": 9, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.2538491059172749, "538 Grade": "B/C", "Mean-Reverted Bias": -0.1131277768133897, "Races Called Correctly": 0.9444444444444444, "Misses Outside MOE": 0.0, "Simple Average Error": 2.45503913031684, "Simple Expected Error": 4.639068437529775, "Simple Plus-Minus": -2.179174966606345, "Advanced Plus-Minus": -1.694811304753787, "Mean-Reverted Advanced Plus Minus": -0.4613475285323269, "# of Polls for Bias Analysis": 8, "Bias": -0.453394889831543, "House Effect": -0.9934361641541188, "Average Distance from Polling Average (ADPA)": 3.120698850743814, "Herding Penalty": 1.258770957388996}
{"rowid": 65, "Rank": 65, "Pollster": "Lake Research Partners", "Pollster Rating ID": 165, "Polls Analyzed": 12, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.1326501768887209, "538 Grade": "A/B", "Mean-Reverted Bias": 0.8029285444950569, "Races Called Correctly": 0.8333333333333334, "Misses Outside MOE": 0.25, "Simple Average Error": 4.055425008138021, "Simple Expected Error": 5.466569561056333, "Simple Plus-Minus": -1.406290212311723, "Advanced Plus-Minus": -1.459355515377667, "Mean-Reverted Advanced Plus Minus": -0.4598786932247855, "# of Polls for Bias Analysis": 12, "Bias": 2.547972361246745, "House Effect": 2.352757065794363, "Average Distance from Polling Average (ADPA)": 6.00216277883069, "Herding Penalty": 0.0}
{"rowid": 16, "Rank": 16, "Pollster": "Stockton University", "Pollster Rating ID": 317, "Polls Analyzed": 11, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.5988865336566043, "538 Grade": "A/B", "Mean-Reverted Bias": 0.8586874339554346, "Races Called Correctly": 0.9090909090909092, "Misses Outside MOE": 0.1818181818181818, "Simple Average Error": 4.268058083274147, "Simple Expected Error": 5.3663269154552, "Simple Plus-Minus": -1.093414491574463, "Advanced Plus-Minus": -1.443419811806566, "Mean-Reverted Advanced Plus Minus": -0.4592542556950052, "# of Polls for Bias Analysis": 11, "Bias": 2.698824102228338, "House Effect": 0.7386111683315703, "Average Distance from Polling Average (ADPA)": 6.07582560725001, "Herding Penalty": 0.0}
{"rowid": 100, "Rank": 100, "Pollster": "American Viewpoint", "Pollster Rating ID": 10, "Polls Analyzed": 8, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.0051543406263754, "538 Grade": "B/C", "Mean-Reverted Bias": -0.7621450628157735, "Races Called Correctly": 0.6875, "Misses Outside MOE": 0.0, "Simple Average Error": 4.16240930557251, "Simple Expected Error": 5.712293976693308, "Simple Plus-Minus": -1.545030330514208, "Advanced Plus-Minus": -2.079017544121555, "Mean-Reverted Advanced Plus Minus": -0.4454959471628316, "# of Polls for Bias Analysis": 8, "Bias": -3.556739330291748, "House Effect": -3.333993881672352, "Average Distance from Polling Average (ADPA)": 6.252438154863531, "Herding Penalty": 0.0}
{"rowid": 18, "Rank": 18, "Pollster": "University of North Florida", "Pollster Rating ID": 360, "Polls Analyzed": 10, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.5472183790769786, "538 Grade": "A/B", "Mean-Reverted Bias": 0.8902943716826435, "Races Called Correctly": 0.4, "Misses Outside MOE": 0.3, "Simple Average Error": 4.059848022460938, "Simple Expected Error": 6.303158922207842, "Simple Plus-Minus": -2.238456559140316, "Advanced Plus-Minus": -1.393749348566706, "Mean-Reverted Advanced Plus Minus": -0.4314608606122858, "# of Polls for Bias Analysis": 7, "Bias": 3.979950496128627, "House Effect": 1.022124882062393, "Average Distance from Polling Average (ADPA)": 3.95182601196337, "Herding Penalty": 0.0666741928082798}
{"rowid": 59, "Rank": 59, "Pollster": "Pharos Research Group", "Pollster Rating ID": 254, "Polls Analyzed": 33, "NCPP/AAPOR/Roper": "no", "Banned by 538": "yes", "Predictive Plus-Minus": -0.181091218007201, "538 Grade": "F", "Mean-Reverted Bias": 0.7837683835376599, "Races Called Correctly": 0.9393939393939394, "Misses Outside MOE": 0.1515151515151515, "Simple Average Error": 3.727244232640122, "Simple Expected Error": 4.996001396717071, "Simple Plus-Minus": -1.26390282347036, "Advanced Plus-Minus": -0.842373933489471, "Mean-Reverted Advanced Plus Minus": -0.4265716036697134, "# of Polls for Bias Analysis": 33, "Bias": 1.547749663844253, "House Effect": 0.8805577264040833, "Average Distance from Polling Average (ADPA)": 4.020183078748705, "Herding Penalty": 0.2274283195553339}
{"rowid": 168, "Rank": 168, "Pollster": "Alabama State University", "Pollster Rating ID": 8, "Polls Analyzed": 4, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.354813048295232, "538 Grade": "B/C", "Mean-Reverted Bias": null, "Races Called Correctly": 0.5, "Misses Outside MOE": 0.5, "Simple Average Error": 6.384744644165039, "Simple Expected Error": 9.412257812926748, "Simple Plus-Minus": -3.022658828155119, "Advanced Plus-Minus": -4.208478728945152, "Mean-Reverted Advanced Plus Minus": -0.4202790558249763, "# of Polls for Bias Analysis": 0, "Bias": null, "House Effect": null, "Average Distance from Polling Average (ADPA)": 5.0, "Herding Penalty": 0.0298356183924002}
{"rowid": 155, "Rank": 155, "Pollster": "Praecones Analytica", "Pollster Rating ID": 257, "Polls Analyzed": 3, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.3212286124688598, "538 Grade": "B/C", "Mean-Reverted Bias": -0.1990078903029578, "Races Called Correctly": 0.3333333333333333, "Misses Outside MOE": 0.0, "Simple Average Error": 1.795216878255208, "Simple Expected Error": 5.473129376508742, "Simple Plus-Minus": -3.673058157646944, "Advanced Plus-Minus": -3.760935854690828, "Mean-Reverted Advanced Plus Minus": -0.4169167074310298, "# of Polls for Bias Analysis": 3, "Bias": -1.795216878255208, "House Effect": -5.199742801372822, "Average Distance from Polling Average (ADPA)": 4.881398235057152, "Herding Penalty": 0.7616229920472635}
{"rowid": 43, "Rank": 43, "Pollster": "RKM Research and Communications Inc.", "Pollster Rating ID": 272, "Polls Analyzed": 35, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.2502523505654984, "538 Grade": "B+", "Mean-Reverted Bias": -0.1532592156273004, "Races Called Correctly": 0.8428571428571429, "Misses Outside MOE": 0.2285714285714286, "Simple Average Error": 5.225879396711077, "Simple Expected Error": 6.439681586328422, "Simple Plus-Minus": -1.208947849010754, "Advanced Plus-Minus": -0.8296452957554462, "Mean-Reverted Advanced Plus Minus": -0.4097837807572352, "# of Polls for Bias Analysis": 21, "Bias": -0.5748111179896763, "House Effect": -1.533106154161316, "Average Distance from Polling Average (ADPA)": 4.493119662042916, "Herding Penalty": 0.0427549324484808}
{"rowid": 90, "Rank": 90, "Pollster": "University of Cincinnati (Ohio Poll)", "Pollster Rating ID": 346, "Polls Analyzed": 39, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.0370594289568832, "538 Grade": "A/B", "Mean-Reverted Bias": -1.306065146884215, "Races Called Correctly": 0.935897435897436, "Misses Outside MOE": 0.2307692307692308, "Simple Average Error": 4.199360969739082, "Simple Expected Error": 5.688044858653705, "Simple Plus-Minus": -1.483829548308032, "Advanced Plus-Minus": -0.8723258548608629, "Mean-Reverted Advanced Plus Minus": -0.4079996282714262, "# of Polls for Bias Analysis": 30, "Bias": -3.206029510498047, "House Effect": -2.56406304192143, "Average Distance from Polling Average (ADPA)": 3.426229651161958, "Herding Penalty": 0.4379740993217192}
{"rowid": 29, "Rank": 29, "Pollster": "Public Policy Polling", "Pollster Rating ID": 263, "Polls Analyzed": 454, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.3918422921735414, "538 Grade": "A-", "Mean-Reverted Bias": 0.9321825021704334, "Races Called Correctly": 0.7929515418502202, "Misses Outside MOE": 0.3149779735682819, "Simple Average Error": 5.105827020653544, "Simple Expected Error": 5.550127917653857, "Simple Plus-Minus": -0.4394465563937247, "Advanced Plus-Minus": -0.432649072316288, "Mean-Reverted Advanced Plus Minus": -0.4073063046667555, "# of Polls for Bias Analysis": 327, "Bias": 1.010979282017513, "House Effect": 1.05247566824167, "Average Distance from Polling Average (ADPA)": 4.572874664914711, "Herding Penalty": 0.0}
{"rowid": 233, "Rank": 233, "Pollster": "Targeted Persuasion", "Pollster Rating ID": 579, "Polls Analyzed": 1, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.5380648282103843, "538 Grade": "B/C", "Mean-Reverted Bias": null, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 0.9474029541015624, "Simple Expected Error": 9.672130421329964, "Simple Plus-Minus": -8.719873126621811, "Advanced Plus-Minus": -10.15794896327855, "Mean-Reverted Advanced Plus Minus": -0.4053047290142406, "# of Polls for Bias Analysis": 0, "Bias": null, "House Effect": null, "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0}
{"rowid": 68, "Rank": 68, "Pollster": "Western New England University", "Pollster Rating ID": 380, "Polls Analyzed": 11, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.110773336936859, "538 Grade": "A/B", "Mean-Reverted Bias": -0.3796960623710915, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0909090909090909, "Simple Average Error": 4.244961478493431, "Simple Expected Error": 5.767853875608458, "Simple Plus-Minus": -1.518038056508439, "Advanced Plus-Minus": -1.39739932795524, "Mean-Reverted Advanced Plus Minus": -0.4006546707201787, "# of Polls for Bias Analysis": 10, "Bias": -1.362352752685547, "House Effect": 2.019394173077492, "Average Distance from Polling Average (ADPA)": 2.6320729388773, "Herding Penalty": 1.456800997018991}
{"rowid": 102, "Rank": 102, "Pollster": "EPIC-MRA", "Pollster Rating ID": 84, "Polls Analyzed": 54, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.0107773328025, "538 Grade": "B", "Mean-Reverted Bias": 0.115735045363567, "Races Called Correctly": 0.7962962962962963, "Misses Outside MOE": 0.2222222222222222, "Simple Average Error": 5.469057718912761, "Simple Expected Error": 5.689511943504002, "Simple Plus-Minus": -0.2155998839846535, "Advanced Plus-Minus": -0.5945972458868907, "Mean-Reverted Advanced Plus Minus": -0.3840742838142684, "# of Polls for Bias Analysis": 47, "Bias": 0.1919800778652759, "House Effect": 0.4101546190582647, "Average Distance from Polling Average (ADPA)": 3.96975026527523, "Herding Penalty": 0.4665754239193021}
{"rowid": 107, "Rank": 107, "Pollster": "Harstad Strategic Research Inc.", "Pollster Rating ID": 134, "Polls Analyzed": 11, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.0397295118765566, "538 Grade": "B/C", "Mean-Reverted Bias": 0.617120123267614, "Races Called Correctly": 0.7727272727272727, "Misses Outside MOE": 0.0909090909090909, "Simple Average Error": 3.71497240933505, "Simple Expected Error": 5.669405626106609, "Simple Plus-Minus": -1.949578876164969, "Advanced Plus-Minus": -1.649749559329973, "Mean-Reverted Advanced Plus Minus": -0.3802153345477424, "# of Polls for Bias Analysis": 11, "Bias": 2.677676460959695, "House Effect": 3.614009769879855, "Average Distance from Polling Average (ADPA)": 5.24202705227114, "Herding Penalty": 0.0144037048440678}
{"rowid": 173, "Rank": 173, "Pollster": "Orion Strategies", "Pollster Rating ID": 246, "Polls Analyzed": 4, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.3896180920689654, "538 Grade": "B/C", "Mean-Reverted Bias": 0.1061730685778454, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.25, "Simple Average Error": 3.205460548400879, "Simple Expected Error": 6.358808464901305, "Simple Plus-Minus": -3.148493575893838, "Advanced Plus-Minus": -4.259172410081579, "Mean-Reverted Advanced Plus Minus": -0.3768334955644899, "# of Polls for Bias Analysis": 3, "Bias": 1.527838389078776, "House Effect": 6.492857124691917, "Average Distance from Polling Average (ADPA)": 2.666666666666667, "Herding Penalty": 0.3487572785930814}
{"rowid": 112, "Rank": 112, "Pollster": "Harper Polling", "Pollster Rating ID": 132, "Polls Analyzed": 14, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.0532142634898178, "538 Grade": "B/C", "Mean-Reverted Bias": 0.4813360855681433, "Races Called Correctly": 0.7857142857142857, "Misses Outside MOE": 0.1428571428571428, "Simple Average Error": 3.74915885925293, "Simple Expected Error": 5.637929723046637, "Simple Plus-Minus": -1.883916523187118, "Advanced Plus-Minus": -0.9728707779115372, "Mean-Reverted Advanced Plus Minus": -0.3676020560722559, "# of Polls for Bias Analysis": 11, "Bias": 1.475977117365057, "House Effect": -0.7397462573945109, "Average Distance from Polling Average (ADPA)": 4.419007504327381, "Herding Penalty": 0.4229926231162012}
{"rowid": 20, "Rank": 20, "Pollster": "Greenberg Quinlan Rosner/American Viewpoint", "Pollster Rating ID": 127, "Polls Analyzed": 8, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.463154299736858, "538 Grade": "A/B", "Mean-Reverted Bias": -0.6666186527357043, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.5, "Simple Average Error": 4.377521991729736, "Simple Expected Error": 5.458382514305143, "Simple Plus-Minus": -1.076006181968817, "Advanced Plus-Minus": -1.622196341123171, "Mean-Reverted Advanced Plus Minus": -0.3597660894434694, "# of Polls for Bias Analysis": 6, "Bias": -4.268723805745442, "House Effect": 1.512220143538255, "Average Distance from Polling Average (ADPA)": 5.405572548404853, "Herding Penalty": 0.0}
{"rowid": 27, "Rank": 27, "Pollster": "CBS News/The New York Times", "Pollster Rating ID": 36, "Polls Analyzed": 62, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.3994224601982951, "538 Grade": "A-", "Mean-Reverted Bias": 0.3025593291962615, "Races Called Correctly": 0.7741935483870968, "Misses Outside MOE": 0.2258064516129032, "Simple Average Error": 4.476905945808657, "Simple Expected Error": 5.503620680677048, "Simple Plus-Minus": -1.021860394261805, "Advanced Plus-Minus": -0.5990196850785335, "Mean-Reverted Advanced Plus Minus": -0.35552109890906, "# of Polls for Bias Analysis": 51, "Bias": 0.5306224449008119, "House Effect": 1.517954371398464, "Average Distance from Polling Average (ADPA)": 4.121276802729937, "Herding Penalty": 0.2109512837990196}
{"rowid": 47, "Rank": 47, "Pollster": "Michigan State University", "Pollster Rating ID": 463, "Polls Analyzed": 2, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.2283145698385184, "538 Grade": "A/B", "Mean-Reverted Bias": -0.0470255683040697, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 1.030765533447266, "Simple Expected Error": 7.354118595320895, "Simple Plus-Minus": -6.318498721267041, "Advanced Plus-Minus": -4.047355406498196, "Mean-Reverted Advanced Plus Minus": -0.3548497897677919, "# of Polls for Bias Analysis": 2, "Bias": -0.5363655090332031, "House Effect": -1.523426869532446, "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0}
{"rowid": 234, "Rank": 234, "Pollster": "University of Houston", "Pollster Rating ID": 351, "Polls Analyzed": 1, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.5380648282103843, "538 Grade": "B/C", "Mean-Reverted Bias": null, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 2.005395889282227, "Simple Expected Error": 9.546341300288688, "Simple Plus-Minus": -7.536091070399872, "Advanced Plus-Minus": -8.858919949950904, "Mean-Reverted Advanced Plus Minus": -0.3534731433140437, "# of Polls for Bias Analysis": 0, "Bias": null, "House Effect": null, "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0}
{"rowid": 77, "Rank": 77, "Pollster": "Vox Populi Polling", "Pollster Rating ID": 372, "Polls Analyzed": 19, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.0824722486637735, "538 Grade": "A/B", "Mean-Reverted Bias": 0.39372786799427, "Races Called Correctly": 0.7631578947368421, "Misses Outside MOE": 0.1578947368421053, "Simple Average Error": 3.956891310842414, "Simple Expected Error": 5.167959912711793, "Simple Plus-Minus": -1.20621426126279, "Advanced Plus-Minus": -0.7980057743990526, "Mean-Reverted Advanced Plus Minus": -0.3511785784526951, "# of Polls for Bias Analysis": 19, "Bias": 0.8946932742470189, "House Effect": -1.300901224920249, "Average Distance from Polling Average (ADPA)": 4.7989892898252, "Herding Penalty": 0.1668381106557129}
{"rowid": 141, "Rank": 141, "Pollster": "RRH Elections", "Pollster Rating ID": 274, "Polls Analyzed": 9, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.252404032823645, "538 Grade": "B/C", "Mean-Reverted Bias": 0.4858699786980575, "Races Called Correctly": 0.8333333333333334, "Misses Outside MOE": 0.2222222222222222, "Simple Average Error": 4.217260148790148, "Simple Expected Error": 5.555821995380273, "Simple Plus-Minus": -1.333707505983536, "Advanced Plus-Minus": -1.249068238111956, "Mean-Reverted Advanced Plus Minus": -0.3462611766241897, "# of Polls for Bias Analysis": 9, "Bias": 1.752679189046224, "House Effect": -3.953673428905254, "Average Distance from Polling Average (ADPA)": 3.888251871823019, "Herding Penalty": 0.8347469576668479}
{"rowid": 114, "Rank": 114, "Pollster": "Clarity Campaign Labs", "Pollster Rating ID": 52, "Polls Analyzed": 12, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.1030683156366483, "538 Grade": "B/C", "Mean-Reverted Bias": 1.125647983043073, "Races Called Correctly": 0.5416666666666666, "Misses Outside MOE": 0.1666666666666667, "Simple Average Error": 3.510533014933268, "Simple Expected Error": 4.635695564395752, "Simple Plus-Minus": -1.120308208855895, "Advanced Plus-Minus": -1.071911308359979, "Mean-Reverted Advanced Plus Minus": -0.3449217581609216, "# of Polls for Bias Analysis": 12, "Bias": 3.498169581095377, "House Effect": 1.098717960991697, "Average Distance from Polling Average (ADPA)": 2.634383123322027, "Herding Penalty": 0.3971380059273483}
{"rowid": 122, "Rank": 122, "Pollster": "Ward Research/The Honolulu Star-Advertiser", "Pollster Rating ID": 375, "Polls Analyzed": 15, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.1511211430834034, "538 Grade": "B/C", "Mean-Reverted Bias": -0.4059751230387894, "Races Called Correctly": 0.8, "Misses Outside MOE": 0.3333333333333333, "Simple Average Error": 5.849984232584635, "Simple Expected Error": 5.784769724457165, "Simple Plus-Minus": 0.0700688487340593, "Advanced Plus-Minus": -1.164893858867452, "Mean-Reverted Advanced Plus Minus": -0.3423701519998299, "# of Polls for Bias Analysis": 15, "Bias": -1.381305948893229, "House Effect": 4.183333333333334, "Average Distance from Polling Average (ADPA)": 3.857677038939983, "Herding Penalty": 0.4894641420330041}
{"rowid": 172, "Rank": 172, "Pollster": "Latino Decisions", "Pollster Rating ID": 482, "Polls Analyzed": 2, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.381147274344124, "538 Grade": "B/C", "Mean-Reverted Bias": 0.230152732447574, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 3.48735237121582, "Simple Expected Error": 6.998023892727285, "Simple Plus-Minus": -3.505817180904875, "Advanced Plus-Minus": -3.421120513867502, "Mean-Reverted Advanced Plus Minus": -0.3421120513867502, "# of Polls for Bias Analysis": 1, "Bias": 4.372901916503906, "House Effect": -2.489285469055176, "Average Distance from Polling Average (ADPA)": 0.5, "Herding Penalty": 1.688593257308742}
{"rowid": 120, "Rank": 120, "Pollster": "SEA Polling & Strategic Design", "Pollster Rating ID": 302, "Polls Analyzed": 12, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.1451600955110219, "538 Grade": "B/C", "Mean-Reverted Bias": 0.5545560229747505, "Races Called Correctly": 0.8333333333333334, "Misses Outside MOE": 0.0, "Simple Average Error": 3.021411736806234, "Simple Expected Error": 5.603694830321737, "Simple Plus-Minus": -2.577428752908915, "Advanced Plus-Minus": -1.201709097646268, "Mean-Reverted Advanced Plus Minus": -0.3328360521905492, "# of Polls for Bias Analysis": 10, "Bias": 2.169110870361328, "House Effect": 0.0115923127490971, "Average Distance from Polling Average (ADPA)": 3.751690993240957, "Herding Penalty": 0.3988726134857696}
{"rowid": 45, "Rank": 45, "Pollster": "National Journal", "Pollster Rating ID": 224, "Polls Analyzed": 12, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.2406283419287637, "538 Grade": "A/B", "Mean-Reverted Bias": -0.1370833076306571, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 2.58882745107015, "Simple Expected Error": 5.180404786862579, "Simple Plus-Minus": -2.586722995185841, "Advanced Plus-Minus": -1.52528217964292, "Mean-Reverted Advanced Plus Minus": -0.3327836470072496, "# of Polls for Bias Analysis": 12, "Bias": -0.6283082962036133, "House Effect": 0.3330994514929227, "Average Distance from Polling Average (ADPA)": 3.469211118333305, "Herding Penalty": 0.890053168558799}
{"rowid": 21, "Rank": 21, "Pollster": "Los Angeles Times", "Pollster Rating ID": 172, "Polls Analyzed": 36, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.4478968987718507, "538 Grade": "A/B", "Mean-Reverted Bias": -0.1703826699373148, "Races Called Correctly": 0.8472222222222222, "Misses Outside MOE": 0.2777777777777778, "Simple Average Error": 5.032578468322754, "Simple Expected Error": 6.34540278620666, "Simple Plus-Minus": -1.307969977277317, "Advanced Plus-Minus": -0.8479272108704069, "Mean-Reverted Advanced Plus Minus": -0.3299054331784183, "# of Polls for Bias Analysis": 23, "Bias": -0.6038673235022504, "House Effect": 0.8650991554956743, "Average Distance from Polling Average (ADPA)": 5.176007332823471, "Herding Penalty": 0.1241410678532038}
{"rowid": 165, "Rank": 165, "Pollster": "Echelon Insights", "Pollster Rating ID": 407, "Polls Analyzed": 2, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.3543999999999999, "538 Grade": "B/C", "Mean-Reverted Bias": 0.1488210678100586, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 1.488210678100586, "Simple Expected Error": 5.022068575452601, "Simple Plus-Minus": -3.529003556745426, "Advanced Plus-Minus": -3.28584820902155, "Mean-Reverted Advanced Plus Minus": -0.328584820902155, "# of Polls for Bias Analysis": 2, "Bias": 1.488210678100586, "House Effect": -2.832186497240511, "Average Distance from Polling Average (ADPA)": 3.10272692285871, "Herding Penalty": 0.3785494922808028}
{"rowid": 188, "Rank": 188, "Pollster": "Douglas Fulmer & Associates", "Pollster Rating ID": 82, "Polls Analyzed": 2, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.425486792621247, "538 Grade": "B/C", "Mean-Reverted Bias": null, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.5, "Simple Average Error": 5.041962623596191, "Simple Expected Error": 9.504355831588605, "Simple Plus-Minus": -4.457538867385824, "Advanced Plus-Minus": -4.250752548276271, "Mean-Reverted Advanced Plus Minus": -0.32619686317725, "# of Polls for Bias Analysis": 0, "Bias": null, "House Effect": null, "Average Distance from Polling Average (ADPA)": 8.624999523162842, "Herding Penalty": 0.0}
{"rowid": 41, "Rank": 41, "Pollster": "YouGov", "Pollster Rating ID": 391, "Polls Analyzed": 455, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.273505537653068, "538 Grade": "B+", "Mean-Reverted Bias": 0.6766339784370394, "Races Called Correctly": 0.8868131868131868, "Misses Outside MOE": 0.3208791208791209, "Simple Average Error": 5.038859289819068, "Simple Expected Error": 5.174998705898146, "Simple Plus-Minus": -0.1312850754724879, "Advanced Plus-Minus": -0.3428717352678932, "Mean-Reverted Advanced Plus Minus": -0.3236017801576189, "# of Polls for Bias Analysis": 395, "Bias": 0.7261292566227008, "House Effect": 0.280365261549705, "Average Distance from Polling Average (ADPA)": 4.228015171115431, "Herding Penalty": 0.0373586246742392}
{"rowid": 58, "Rank": 58, "Pollster": "Tarrance Group", "Pollster Rating ID": 333, "Polls Analyzed": 31, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.1877888208114844, "538 Grade": "B+", "Mean-Reverted Bias": -0.9321207960623455, "Races Called Correctly": 0.8387096774193549, "Misses Outside MOE": 0.2258064516129032, "Simple Average Error": 5.727274064094789, "Simple Expected Error": 6.269753478804693, "Simple Plus-Minus": -0.5376250741033142, "Advanced Plus-Minus": -0.6242494207968549, "Mean-Reverted Advanced Plus Minus": -0.3175109413086395, "# of Polls for Bias Analysis": 27, "Bias": -2.074528164333767, "House Effect": -5.391174342874497, "Average Distance from Polling Average (ADPA)": 6.234594881392646, "Herding Penalty": 0.0}
{"rowid": 38, "Rank": 38, "Pollster": "Elon University", "Pollster Rating ID": 86, "Polls Analyzed": 8, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.2903980097900636, "538 Grade": "A/B", "Mean-Reverted Bias": 0.4572253997293468, "Races Called Correctly": 0.5625, "Misses Outside MOE": 0.125, "Simple Average Error": 3.152763366699219, "Simple Expected Error": 4.723235578300777, "Simple Plus-Minus": -1.565617870994968, "Advanced Plus-Minus": -1.421942556563748, "Mean-Reverted Advanced Plus Minus": -0.3126489823390849, "# of Polls for Bias Analysis": 8, "Bias": 2.079483032226563, "House Effect": 0.7813109061682718, "Average Distance from Polling Average (ADPA)": 3.566882986360794, "Herding Penalty": 0.5681594481906921}
{"rowid": 31, "Rank": 31, "Pollster": "University of Connecticut", "Pollster Rating ID": 347, "Polls Analyzed": 11, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.3806335800402641, "538 Grade": "A/B", "Mean-Reverted Bias": -0.1612337393223545, "Races Called Correctly": 0.9545454545454546, "Misses Outside MOE": 0.0909090909090909, "Simple Average Error": 3.636163191361861, "Simple Expected Error": 5.702708061135182, "Simple Plus-Minus": -2.061690529166732, "Advanced Plus-Minus": -1.812616607025872, "Mean-Reverted Advanced Plus Minus": -0.2986774449822354, "# of Polls for Bias Analysis": 11, "Bias": -0.9784968983043324, "House Effect": -0.6515151515151515, "Average Distance from Polling Average (ADPA)": 8.0, "Herding Penalty": 0.0}
{"rowid": 137, "Rank": 137, "Pollster": "Cardinal Point Analytics (CardinalGPS)", "Pollster Rating ID": 591, "Polls Analyzed": 3, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.224718970036331, "538 Grade": "B/C", "Mean-Reverted Bias": -0.3554905482700892, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 2.488433837890625, "Simple Expected Error": 4.54301327063627, "Simple Plus-Minus": -2.049725092139056, "Advanced Plus-Minus": -1.990967209745684, "Mean-Reverted Advanced Plus Minus": -0.2844238871065263, "# of Polls for Bias Analysis": 3, "Bias": -2.488433837890625, "House Effect": -7.321529435918518, "Average Distance from Polling Average (ADPA)": 7.266176789875896, "Herding Penalty": 0.0}
{"rowid": 121, "Rank": 121, "Pollster": "Spry Strategies", "Pollster Rating ID": 508, "Polls Analyzed": 5, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.1510535317674696, "538 Grade": "B/C", "Mean-Reverted Bias": -0.4597777031608106, "Races Called Correctly": 0.8, "Misses Outside MOE": 0.8, "Simple Average Error": 9.491231155395509, "Simple Expected Error": 6.36591430356789, "Simple Plus-Minus": 3.130171192434207, "Advanced Plus-Minus": -1.309671563957201, "Mean-Reverted Advanced Plus Minus": -0.2817604637837424, "# of Polls for Bias Analysis": 2, "Bias": -4.835419654846191, "House Effect": -9.453224503096711, "Average Distance from Polling Average (ADPA)": 13.78226443376999, "Herding Penalty": 0.0}
{"rowid": 91, "Rank": 91, "Pollster": "New England College", "Pollster Rating ID": 228, "Polls Analyzed": 19, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.0339156692478161, "538 Grade": "A/B", "Mean-Reverted Bias": -1.233823913352059, "Races Called Correctly": 0.7368421052631579, "Misses Outside MOE": 0.1578947368421053, "Simple Average Error": 4.186138956170333, "Simple Expected Error": 5.130762388156788, "Simple Plus-Minus": -0.9397690913798652, "Advanced Plus-Minus": -0.7022128287799915, "Mean-Reverted Advanced Plus Minus": -0.2771430608747104, "# of Polls for Bias Analysis": 19, "Bias": -3.126208455939042, "House Effect": -3.275668947623061, "Average Distance from Polling Average (ADPA)": 5.506584216856184, "Herding Penalty": 0.0}
{"rowid": 139, "Rank": 139, "Pollster": "University of South Alabama", "Pollster Rating ID": 361, "Polls Analyzed": 9, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.2390427125467455, "538 Grade": "B/C", "Mean-Reverted Bias": -0.4270172343358059, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.1111111111111111, "Simple Average Error": 3.683771345350477, "Simple Expected Error": 5.098838933470263, "Simple Plus-Minus": -1.410213247513195, "Advanced Plus-Minus": -1.91859403625147, "Mean-Reverted Advanced Plus Minus": -0.2769230134479074, "# of Polls for Bias Analysis": 9, "Bias": -2.958485497368707, "House Effect": -0.8229166666666667, "Average Distance from Polling Average (ADPA)": 5.744313994368434, "Herding Penalty": 0.0580934133217054}
{"rowid": 35, "Rank": 35, "Pollster": "Fairleigh Dickinson University (PublicMind)", "Pollster Rating ID": 92, "Polls Analyzed": 20, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.3279580548271417, "538 Grade": "A/B", "Mean-Reverted Bias": -0.2165206327505528, "Races Called Correctly": 0.95, "Misses Outside MOE": 0.1, "Simple Average Error": 4.440978050231934, "Simple Expected Error": 5.358511689099378, "Simple Plus-Minus": -0.9126792982608564, "Advanced Plus-Minus": -0.8380466513142142, "Mean-Reverted Advanced Plus Minus": -0.2720944607518267, "# of Polls for Bias Analysis": 19, "Bias": -0.6907659831799959, "House Effect": 2.435522153841081, "Average Distance from Polling Average (ADPA)": 4.523587596163656, "Herding Penalty": 0.2655406954045892}
{"rowid": 61, "Rank": 61, "Pollster": "Susquehanna Polling & Research Inc.", "Pollster Rating ID": 326, "Polls Analyzed": 46, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": -0.1748126895970972, "538 Grade": "B+", "Mean-Reverted Bias": 0.6142521511939343, "Races Called Correctly": 0.717391304347826, "Misses Outside MOE": 0.2608695652173913, "Simple Average Error": 5.351888656616211, "Simple Expected Error": 5.511775495543286, "Simple Plus-Minus": -0.1550324983204863, "Advanced Plus-Minus": -0.4183686364766303, "Mean-Reverted Advanced Plus Minus": -0.2690414781712609, "# of Polls for Bias Analysis": 41, "Bias": 0.9773832181604896, "House Effect": -1.257913985607085, "Average Distance from Polling Average (ADPA)": 5.39987791449076, "Herding Penalty": 0.0}
{"rowid": 36, "Rank": 36, "Pollster": "Quinnipiac University", "Pollster Rating ID": 267, "Polls Analyzed": 219, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.3149763346868122, "538 Grade": "A-", "Mean-Reverted Bias": 0.5485570013033918, "Races Called Correctly": 0.817351598173516, "Misses Outside MOE": 0.2694063926940639, "Simple Average Error": 4.796165736298583, "Simple Expected Error": 5.627070789704262, "Simple Plus-Minus": -0.8260507127990924, "Advanced Plus-Minus": -0.3017991517287681, "Mean-Reverted Advanced Plus Minus": -0.2669757445552307, "# of Polls for Bias Analysis": 165, "Bias": 0.6401595375754616, "House Effect": 0.5421931999487883, "Average Distance from Polling Average (ADPA)": 4.89597885188422, "Herding Penalty": 0.0}
{"rowid": 166, "Rank": 166, "Pollster": "John Zogby Strategies/EMI Research Solutions", "Pollster Rating ID": 583, "Polls Analyzed": 2, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.3543999999999999, "538 Grade": "B/C", "Mean-Reverted Bias": 0.0338211059570313, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 1.108814239501953, "Simple Expected Error": 4.114685807989426, "Simple Plus-Minus": -3.001017227880884, "Advanced Plus-Minus": -2.668757774072982, "Mean-Reverted Advanced Plus Minus": -0.2668757774072982, "# of Polls for Bias Analysis": 2, "Bias": 0.3382110595703125, "House Effect": -4.016893409628738, "Average Distance from Polling Average (ADPA)": 4.53855784500827, "Herding Penalty": 0.0}
{"rowid": 37, "Rank": 37, "Pollster": "Ciruli Associates", "Pollster Rating ID": 51, "Polls Analyzed": 20, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.303590018460776, "538 Grade": "A/B", "Mean-Reverted Bias": -0.6109127602102492, "Races Called Correctly": 0.95, "Misses Outside MOE": 0.1, "Simple Average Error": 3.77440013885498, "Simple Expected Error": 5.259219176594611, "Simple Plus-Minus": -1.479964697133042, "Advanced Plus-Minus": -0.8894583268149803, "Mean-Reverted Advanced Plus Minus": -0.2662673607425706, "# of Polls for Bias Analysis": 20, "Bias": -2.040736198425293, "House Effect": -2.6586610296301, "Average Distance from Polling Average (ADPA)": 5.241835566962915, "Herding Penalty": 0.3181341688029125}
{"rowid": 23, "Rank": 23, "Pollster": "Public Policy Institute of California", "Pollster Rating ID": 262, "Polls Analyzed": 17, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.4350847160589734, "538 Grade": "A/B", "Mean-Reverted Bias": -1.142767725530053, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.2352941176470588, "Simple Average Error": 5.058373956119313, "Simple Expected Error": 6.340402037348159, "Simple Plus-Minus": -1.277173740622257, "Advanced Plus-Minus": -0.6710188021511885, "Mean-Reverted Advanced Plus Minus": -0.2660216305465535, "# of Polls for Bias Analysis": 11, "Bias": -4.278469779274681, "House Effect": -1.420514016184773, "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0}
{"rowid": 147, "Rank": 147, "Pollster": "Market Research Institute Inc.", "Pollster Rating ID": 186, "Polls Analyzed": 11, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.2883837372784128, "538 Grade": "B/C", "Mean-Reverted Bias": 0.0988550591203688, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.2727272727272727, "Simple Average Error": 4.200706481933594, "Simple Expected Error": 5.203628818713973, "Simple Plus-Minus": -0.9980679961737898, "Advanced Plus-Minus": -1.723606437434558, "Mean-Reverted Advanced Plus Minus": -0.2635927690693167, "# of Polls for Bias Analysis": 11, "Bias": 0.6464032259854403, "House Effect": 0.3711111492580839, "Average Distance from Polling Average (ADPA)": 5.071841119416734, "Herding Penalty": 0.3496453085924283}
{"rowid": 179, "Rank": 179, "Pollster": "University of Georgia School of Public and International Affairs", "Pollster Rating ID": 350, "Polls Analyzed": 4, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.40783038322842, "538 Grade": "B/C", "Mean-Reverted Bias": 0.5246314953730709, "Races Called Correctly": 0.5, "Misses Outside MOE": 0.25, "Simple Average Error": 2.959074020385742, "Simple Expected Error": 4.819615461263455, "Simple Plus-Minus": -1.855687100271123, "Advanced Plus-Minus": -1.486505520089792, "Mean-Reverted Advanced Plus Minus": -0.263551235458236, "# of Polls for Bias Analysis": 4, "Bias": 2.959074020385742, "House Effect": 0.4448982410582287, "Average Distance from Polling Average (ADPA)": 2.073838434916397, "Herding Penalty": 1.120195635341472}
{"rowid": 131, "Rank": 131, "Pollster": "CVOTER", "Pollster Rating ID": 40, "Polls Analyzed": 6, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.2074642111036509, "538 Grade": "B/C", "Mean-Reverted Bias": -0.2389402614864285, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 1.865321477254232, "Simple Expected Error": 3.741884229672774, "Simple Plus-Minus": -1.871708411811952, "Advanced Plus-Minus": -1.434479972329097, "Mean-Reverted Advanced Plus Minus": -0.2610489329781672, "# of Polls for Bias Analysis": 6, "Bias": -1.312991460164388, "House Effect": -0.3925210524768365, "Average Distance from Polling Average (ADPA)": 3.221708933333288, "Herding Penalty": 0.0037679274717715}
{"rowid": 189, "Rank": 189, "Pollster": "Keating Research/OnSight Public Affairs/Melanson", "Pollster Rating ID": 455, "Polls Analyzed": 3, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.4254993434463736, "538 Grade": "B/C", "Mean-Reverted Bias": -0.112109205074789, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 1.932412465413411, "Simple Expected Error": 4.84802488565374, "Simple Plus-Minus": -2.91075807963374, "Advanced Plus-Minus": -1.871559196768958, "Mean-Reverted Advanced Plus Minus": -0.2579638566620892, "# of Polls for Bias Analysis": 3, "Bias": -0.8133659362792969, "House Effect": 0.5753966437445749, "Average Distance from Polling Average (ADPA)": 2.064001485289123, "Herding Penalty": 1.226228374303404}
{"rowid": 202, "Rank": 202, "Pollster": "MFour Mobile Research", "Pollster Rating ID": 177, "Polls Analyzed": 2, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.4811133034493815, "538 Grade": "B/C", "Mean-Reverted Bias": -0.1644033527150696, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.5, "Simple Average Error": 2.808574676513672, "Simple Expected Error": 4.216155656972621, "Simple Plus-Minus": -1.40272663985236, "Advanced Plus-Minus": -4.391196247839257, "Mean-Reverted Advanced Plus Minus": -0.2570440414533494, "# of Polls for Bias Analysis": 2, "Bias": -2.808574676513672, "House Effect": 5.108332951863607, "Average Distance from Polling Average (ADPA)": 6.905530131437598, "Herding Penalty": 0.0}
{"rowid": 130, "Rank": 130, "Pollster": "St. Norbert College", "Pollster Rating ID": 313, "Polls Analyzed": 12, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.2008059463973449, "538 Grade": "B/C", "Mean-Reverted Bias": -0.0109146689642649, "Races Called Correctly": 0.875, "Misses Outside MOE": 0.0833333333333333, "Simple Average Error": 4.796833038330078, "Simple Expected Error": 6.029303755886158, "Simple Plus-Minus": -1.227616376949491, "Advanced Plus-Minus": -1.042018643054396, "Mean-Reverted Advanced Plus Minus": -0.2542176501342202, "# of Polls for Bias Analysis": 11, "Bias": -0.0496240095658736, "House Effect": 1.500361373121844, "Average Distance from Polling Average (ADPA)": 5.274291885177433, "Herding Penalty": 0.215817448994672}
{"rowid": 24, "Rank": 24, "Pollster": "Christopher Newport University", "Pollster Rating ID": 50, "Polls Analyzed": 13, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.4157477143028115, "538 Grade": "A/B", "Mean-Reverted Bias": 1.035338401208234, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.3076923076923077, "Simple Average Error": 5.421989147479717, "Simple Expected Error": 5.367781174548801, "Simple Plus-Minus": 0.0590623135375051, "Advanced Plus-Minus": -0.6752688755025994, "Mean-Reverted Advanced Plus Minus": -0.2542033919649918, "# of Polls for Bias Analysis": 12, "Bias": 2.971978823343913, "House Effect": 2.005821493074492, "Average Distance from Polling Average (ADPA)": 4.543501255013545, "Herding Penalty": 0.0}
{"rowid": 176, "Rank": 176, "Pollster": "IVR Polls", "Pollster Rating ID": 146, "Polls Analyzed": 4, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.3999196421644681, "538 Grade": "B/C", "Mean-Reverted Bias": null, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.25, "Simple Average Error": 4.152257919311523, "Simple Expected Error": 8.539092643493515, "Simple Plus-Minus": -4.381980383575401, "Advanced Plus-Minus": -2.930696528475484, "Mean-Reverted Advanced Plus Minus": -0.2494164273014579, "# of Polls for Bias Analysis": 0, "Bias": null, "House Effect": null, "Average Distance from Polling Average (ADPA)": 7.977818519066259, "Herding Penalty": 0.0}
{"rowid": 156, "Rank": 156, "Pollster": "BK Strategies", "Pollster Rating ID": 20, "Polls Analyzed": 3, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.3273159900092489, "538 Grade": "B/C", "Mean-Reverted Bias": 0.4063231875307592, "Races Called Correctly": 0.6666666666666666, "Misses Outside MOE": 0.6666666666666666, "Simple Average Error": 3.803844451904297, "Simple Expected Error": 4.427948959480438, "Simple Plus-Minus": -0.6192501669695522, "Advanced Plus-Minus": -2.213302633524329, "Mean-Reverted Advanced Plus Minus": -0.2453545825213887, "# of Polls for Bias Analysis": 3, "Bias": 3.66537348429362, "House Effect": -2.929798049156112, "Average Distance from Polling Average (ADPA)": 3.271102183887483, "Herding Penalty": 0.2682158477098666}
{"rowid": 40, "Rank": 40, "Pollster": "Louisville Courier-Journal", "Pollster Rating ID": 174, "Polls Analyzed": 10, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.2754931355358016, "538 Grade": "A/B", "Mean-Reverted Bias": -0.222187321142904, "Races Called Correctly": 0.8, "Misses Outside MOE": 0.1, "Simple Average Error": 3.537170791625976, "Simple Expected Error": 5.386656777087478, "Simple Plus-Minus": -1.844631644854912, "Advanced Plus-Minus": -1.669356578377343, "Mean-Reverted Advanced Plus Minus": -0.2448219489169292, "# of Polls for Bias Analysis": 10, "Bias": -1.515018844604492, "House Effect": -1.027777438693577, "Average Distance from Polling Average (ADPA)": 5.348942075163053, "Herding Penalty": 0.3032368524958057}
{"rowid": 33, "Rank": 33, "Pollster": "The Winston Group", "Pollster Rating ID": 385, "Polls Analyzed": 10, "NCPP/AAPOR/Roper": "yes", "Banned by 538": "no", "Predictive Plus-Minus": -0.3628111184548534, "538 Grade": "A/B", "Mean-Reverted Bias": 1.084935521863051, "Races Called Correctly": 0.5, "Misses Outside MOE": 0.4, "Simple Average Error": 4.175388336181641, "Simple Expected Error": 5.243162856132545, "Simple Plus-Minus": -1.062920179344315, "Advanced Plus-Minus": -0.9085701682795456, "Mean-Reverted Advanced Plus Minus": -0.2424686196782707, "# of Polls for Bias Analysis": 10, "Bias": 4.065433502197266, "House Effect": 0.5544444618730905, "Average Distance from Polling Average (ADPA)": 4.733011955875233, "Herding Penalty": 0.0}
{"rowid": 207, "Rank": 207, "Pollster": "Amber Integrated", "Pollster Rating ID": 556, "Polls Analyzed": 1, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.4991578947368421, "538 Grade": "B/C", "Mean-Reverted Bias": -0.0197500931589227, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 0.3752517700195313, "Simple Expected Error": 5.821665544995738, "Simple Plus-Minus": -5.441559434369617, "Advanced Plus-Minus": -4.582240064473633, "Mean-Reverted Advanced Plus Minus": -0.2411705297091386, "# of Polls for Bias Analysis": 1, "Bias": -0.3752517700195313, "House Effect": -5.399999618530273, "Average Distance from Polling Average (ADPA)": 6.299999237060547, "Herding Penalty": 0.1961096424653417}
{"rowid": 240, "Rank": 240, "Pollster": "Mercyhurst University", "Pollster Rating ID": 422, "Polls Analyzed": 1, "NCPP/AAPOR/Roper": "no", "Banned by 538": "no", "Predictive Plus-Minus": 0.5539666948301877, "538 Grade": "B/C", "Mean-Reverted Bias": -0.0256045861832137, "Races Called Correctly": 1.0, "Misses Outside MOE": 0.0, "Simple Average Error": 0.7379531860351562, "Simple Expected Error": 6.010215435191023, "Simple Plus-Minus": -5.267407908549278, "Advanced Plus-Minus": -6.730360836853476, "Mean-Reverted Advanced Plus Minus": -0.2335217292267797, "# of Polls for Bias Analysis": 1, "Bias": -0.7379531860351562, "House Effect": null, "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0}