{"rowid": 1, "Pollster": "Monmouth University", "Pollster Rating ID": 215, "# of Polls": 108, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -1.6, "538 Grade": "A+", "Mean-Reverted Bias": "D +1.3", "Races Called Correctly": "81%", "Misses Outside MOE": "21%", "Simple Average Error": 5.4, "Simple Expected Error": 6.7, "Simple Plus-Minus": -1.2, "Advanced Plus-Minus": -2.0, "Mean-Reverted Advanced Plus Minus": -1.6, "# of Polls for Bias Analysis": 71, "Bias": "D +1.8", "House Effect": "R +0.4", "Average Distance from Polling Average (ADPA)": 5.2, "Herding Penalty": 0.2, "latest_poll": "3/13/20"}
{"rowid": 2, "Pollster": "Selzer & Co.", "Pollster Rating ID": 304, "# of Polls": 48, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -1.3, "538 Grade": "A+", "Mean-Reverted Bias": "D +0.1", "Races Called Correctly": "79%", "Misses Outside MOE": "25%", "Simple Average Error": 4.6, "Simple Expected Error": 6.1, "Simple Plus-Minus": -1.3, "Advanced Plus-Minus": -1.8, "Mean-Reverted Advanced Plus Minus": -1.1, "# of Polls for Bias Analysis": 31, "Bias": "D +0.2", "House Effect": "D +0.2", "Average Distance from Polling Average (ADPA)": 5.2, "Herding Penalty": 0.0, "latest_poll": "11/1/18"}
{"rowid": 3, "Pollster": "ABC News/The Washington Post", "Pollster Rating ID": 3, "# of Polls": 73, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -1.3, "538 Grade": "A+", "Mean-Reverted Bias": "D +0.5", "Races Called Correctly": "72%", "Misses Outside MOE": "7%", "Simple Average Error": 2.8, "Simple Expected Error": 4.8, "Simple Plus-Minus": -1.7, "Advanced Plus-Minus": -1.7, "Mean-Reverted Advanced Plus Minus": -1.2, "# of Polls for Bias Analysis": 68, "Bias": "D +0.8", "House Effect": "D +1.3", "Average Distance from Polling Average (ADPA)": 3.8, "Herding Penalty": 0.12, "latest_poll": "10/31/18"}
{"rowid": 4, "Pollster": "Siena College/The New York Times Upshot", "Pollster Rating ID": 448, "# of Polls": 59, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -1.1, "538 Grade": "A+", "Mean-Reverted Bias": "R +0.3", "Races Called Correctly": "69%", "Misses Outside MOE": "10%", "Simple Average Error": 3.9, "Simple Expected Error": 5.7, "Simple Plus-Minus": -1.6, "Advanced Plus-Minus": -1.5, "Mean-Reverted Advanced Plus Minus": -1.1, "# of Polls for Bias Analysis": 58, "Bias": "R +0.4", "House Effect": "D +0.4", "Average Distance from Polling Average (ADPA)": 4.4, "Herding Penalty": 0.19, "latest_poll": "1/22/20"}
{"rowid": 5, "Pollster": "Field Research Corp. (Field Poll)", "Pollster Rating ID": 94, "# of Polls": 25, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -1.1, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.7", "Races Called Correctly": "100%", "Misses Outside MOE": "16%", "Simple Average Error": 3.9, "Simple Expected Error": 5.6, "Simple Plus-Minus": -1.5, "Advanced Plus-Minus": -2.0, "Mean-Reverted Advanced Plus Minus": -0.7, "# of Polls for Bias Analysis": 18, "Bias": "R +2.5", "House Effect": "D +0.6", "Average Distance from Polling Average (ADPA)": 4.7, "Herding Penalty": 0.01, "latest_poll": "5/29/16"}
{"rowid": 6, "Pollster": "Marquette University Law School", "Pollster Rating ID": 195, "# of Polls": 12, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -1.0, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.2", "Races Called Correctly": "79%", "Misses Outside MOE": "8%", "Simple Average Error": 2.8, "Simple Expected Error": 5.9, "Simple Plus-Minus": -2.9, "Advanced Plus-Minus": -2.8, "Mean-Reverted Advanced Plus Minus": -0.9, "# of Polls for Bias Analysis": 8, "Bias": "D +1.0", "House Effect": "R +0.3", "Average Distance from Polling Average (ADPA)": 4.9, "Herding Penalty": 0.0, "latest_poll": "3/27/20"}
{"rowid": 7, "Pollster": "Muhlenberg College", "Pollster Rating ID": 219, "# of Polls": 29, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -1.0, "538 Grade": "A+", "Mean-Reverted Bias": "R +0.2", "Races Called Correctly": "84%", "Misses Outside MOE": "7%", "Simple Average Error": 3.4, "Simple Expected Error": 6.0, "Simple Plus-Minus": -2.4, "Advanced Plus-Minus": -2.3, "Mean-Reverted Advanced Plus Minus": -1.1, "# of Polls for Bias Analysis": 28, "Bias": "R +0.3", "House Effect": "D +0.2", "Average Distance from Polling Average (ADPA)": 3.9, "Herding Penalty": 0.97, "latest_poll": "10/30/18"}
{"rowid": 8, "Pollster": "Marist College", "Pollster Rating ID": 183, "# of Polls": 183, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -1.0, "538 Grade": "A+", "Mean-Reverted Bias": "R +0.3", "Races Called Correctly": "84%", "Misses Outside MOE": "25%", "Simple Average Error": 5.4, "Simple Expected Error": 6.5, "Simple Plus-Minus": -0.8, "Advanced Plus-Minus": -1.0, "Mean-Reverted Advanced Plus Minus": -0.9, "# of Polls for Bias Analysis": 113, "Bias": "R +0.4", "House Effect": "R +0.2", "Average Distance from Polling Average (ADPA)": 5.2, "Herding Penalty": 0.0, "latest_poll": "3/13/20"}
{"rowid": 9, "Pollster": "Data Orbital", "Pollster Rating ID": 73, "# of Polls": 9, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.9, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.3", "Races Called Correctly": "94%", "Misses Outside MOE": "0%", "Simple Average Error": 2.3, "Simple Expected Error": 5.3, "Simple Plus-Minus": -2.8, "Advanced Plus-Minus": -2.4, "Mean-Reverted Advanced Plus Minus": -0.7, "# of Polls for Bias Analysis": 9, "Bias": "D +1.2", "House Effect": "R +1.1", "Average Distance from Polling Average (ADPA)": 3.7, "Herding Penalty": 0.65, "latest_poll": "10/17/18"}
{"rowid": 10, "Pollster": "National Journal", "Pollster Rating ID": 224, "# of Polls": 12, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.8, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.1", "Races Called Correctly": "100%", "Misses Outside MOE": "0%", "Simple Average Error": 2.6, "Simple Expected Error": 6.1, "Simple Plus-Minus": -3.4, "Advanced Plus-Minus": -3.2, "Mean-Reverted Advanced Plus Minus": -0.7, "# of Polls for Bias Analysis": 12, "Bias": "R +0.6", "House Effect": "D +0.3", "Average Distance from Polling Average (ADPA)": 3.5, "Herding Penalty": 0.89, "latest_poll": "10/25/08"}
{"rowid": 11, "Pollster": "Stockton University", "Pollster Rating ID": 317, "# of Polls": 10, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.8, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.7", "Races Called Correctly": "100%", "Misses Outside MOE": "20%", "Simple Average Error": 4.0, "Simple Expected Error": 5.3, "Simple Plus-Minus": -1.1, "Advanced Plus-Minus": -1.4, "Mean-Reverted Advanced Plus Minus": -0.4, "# of Polls for Bias Analysis": 10, "Bias": "D +2.3", "House Effect": "D +0.7", "Average Distance from Polling Average (ADPA)": 6.1, "Herding Penalty": 0.0, "latest_poll": "10/28/18"}
{"rowid": 12, "Pollster": "SurveyUSA", "Pollster Rating ID": 325, "# of Polls": 787, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "partial", "Methodology": "IVR/Online/Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.8, "538 Grade": "A", "Mean-Reverted Bias": "D +0.1", "Races Called Correctly": "89%", "Misses Outside MOE": "20%", "Simple Average Error": 4.7, "Simple Expected Error": 5.9, "Simple Plus-Minus": -1.0, "Advanced Plus-Minus": -1.1, "Mean-Reverted Advanced Plus Minus": -1.0, "# of Polls for Bias Analysis": 627, "Bias": "D +0.1", "House Effect": "R +0.4", "Average Distance from Polling Average (ADPA)": 5.0, "Herding Penalty": 0.12, "latest_poll": "3/5/20"}
{"rowid": 13, "Pollster": "Ciruli Associates", "Pollster Rating ID": 51, "# of Polls": 16, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.8, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.4", "Races Called Correctly": "94%", "Misses Outside MOE": "0%", "Simple Average Error": 3.5, "Simple Expected Error": 5.9, "Simple Plus-Minus": -2.3, "Advanced Plus-Minus": -2.5, "Mean-Reverted Advanced Plus Minus": -0.5, "# of Polls for Bias Analysis": 16, "Bias": "R +2.1", "House Effect": "R +2.7", "Average Distance from Polling Average (ADPA)": 5.3, "Herding Penalty": 0.59, "latest_poll": "10/25/06"}
{"rowid": 14, "Pollster": "MassINC Polling Group", "Pollster Rating ID": 198, "# of Polls": 18, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "partial", "Methodology": "Online/Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.7, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.7", "Races Called Correctly": "83%", "Misses Outside MOE": "22%", "Simple Average Error": 4.9, "Simple Expected Error": 6.7, "Simple Plus-Minus": -1.7, "Advanced Plus-Minus": -1.6, "Mean-Reverted Advanced Plus Minus": -0.7, "# of Polls for Bias Analysis": 12, "Bias": "R +2.4", "House Effect": "R +1.4", "Average Distance from Polling Average (ADPA)": 6.4, "Herding Penalty": 0.0, "latest_poll": "2/25/20"}
{"rowid": 15, "Pollster": "Fairleigh Dickinson University (PublicMind)", "Pollster Rating ID": 92, "# of Polls": 19, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.7, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.0", "Races Called Correctly": "95%", "Misses Outside MOE": "5%", "Simple Average Error": 3.9, "Simple Expected Error": 5.4, "Simple Plus-Minus": -1.3, "Advanced Plus-Minus": -1.4, "Mean-Reverted Advanced Plus Minus": -0.4, "# of Polls for Bias Analysis": 18, "Bias": "D +0.1", "House Effect": "D +2.8", "Average Distance from Polling Average (ADPA)": 4.5, "Herding Penalty": 0.3, "latest_poll": "10/16/14"}
{"rowid": 16, "Pollster": "CBS News/The New York Times", "Pollster Rating ID": 36, "# of Polls": 62, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.7, "538 Grade": "A", "Mean-Reverted Bias": "D +0.4", "Races Called Correctly": "76%", "Misses Outside MOE": "23%", "Simple Average Error": 4.3, "Simple Expected Error": 5.5, "Simple Plus-Minus": -1.0, "Advanced Plus-Minus": -1.0, "Mean-Reverted Advanced Plus Minus": -0.6, "# of Polls for Bias Analysis": 51, "Bias": "D +0.7", "House Effect": "D +1.5", "Average Distance from Polling Average (ADPA)": 4.1, "Herding Penalty": 0.23, "latest_poll": "10/16/18"}
{"rowid": 17, "Pollster": "Grove Insight", "Pollster Rating ID": 129, "# of Polls": 29, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.7, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.5", "Races Called Correctly": "90%", "Misses Outside MOE": "7%", "Simple Average Error": 3.0, "Simple Expected Error": 5.8, "Simple Plus-Minus": -2.6, "Advanced Plus-Minus": -3.0, "Mean-Reverted Advanced Plus Minus": -1.4, "# of Polls for Bias Analysis": 29, "Bias": "D +1.1", "House Effect": "D +3.4", "Average Distance from Polling Average (ADPA)": 3.8, "Herding Penalty": 0.67, "latest_poll": "11/2/12"}
{"rowid": 18, "Pollster": "Behavior Research Center (Rocky Mountain Poll)", "Pollster Rating ID": 27, "# of Polls": 8, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.7, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.1", "Races Called Correctly": "75%", "Misses Outside MOE": "0%", "Simple Average Error": 3.1, "Simple Expected Error": 6.4, "Simple Plus-Minus": -3.1, "Advanced Plus-Minus": -2.7, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 6, "Bias": "D +1.0", "House Effect": "R +1.4", "Average Distance from Polling Average (ADPA)": 8.1, "Herding Penalty": 0.0, "latest_poll": "10/22/08"}
{"rowid": 19, "Pollster": "Western New England University", "Pollster Rating ID": 380, "# of Polls": 10, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.6, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.3", "Races Called Correctly": "100%", "Misses Outside MOE": "10%", "Simple Average Error": 4.3, "Simple Expected Error": 6.4, "Simple Plus-Minus": -1.9, "Advanced Plus-Minus": -2.5, "Mean-Reverted Advanced Plus Minus": -0.7, "# of Polls for Bias Analysis": 9, "Bias": "R +1.1", "House Effect": "D +2.2", "Average Distance from Polling Average (ADPA)": 2.6, "Herding Penalty": 1.46, "latest_poll": "10/19/18"}
{"rowid": 20, "Pollster": "Suffolk University", "Pollster Rating ID": 323, "# of Polls": 88, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.6, "538 Grade": "A", "Mean-Reverted Bias": "D +0.6", "Races Called Correctly": "79%", "Misses Outside MOE": "24%", "Simple Average Error": 5.1, "Simple Expected Error": 6.7, "Simple Plus-Minus": -1.4, "Advanced Plus-Minus": -0.6, "Mean-Reverted Advanced Plus Minus": -0.5, "# of Polls for Bias Analysis": 52, "Bias": "D +1.0", "House Effect": "D +1.8", "Average Distance from Polling Average (ADPA)": 5.7, "Herding Penalty": 0.0, "latest_poll": "2/28/20"}
{"rowid": 21, "Pollster": "IBD/TIPP", "Pollster Rating ID": 144, "# of Polls": 27, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "partial", "Methodology": "Online/Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.6, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.8", "Races Called Correctly": "78%", "Misses Outside MOE": "4%", "Simple Average Error": 2.2, "Simple Expected Error": 4.1, "Simple Plus-Minus": -1.6, "Advanced Plus-Minus": -1.6, "Mean-Reverted Advanced Plus Minus": -0.7, "# of Polls for Bias Analysis": 27, "Bias": "R +1.9", "House Effect": "R +1.6", "Average Distance from Polling Average (ADPA)": 3.4, "Herding Penalty": 0.25, "latest_poll": "10/30/18"}
{"rowid": 22, "Pollster": "Los Angeles Times", "Pollster Rating ID": 172, "# of Polls": 36, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.6, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.1", "Races Called Correctly": "85%", "Misses Outside MOE": "22%", "Simple Average Error": 4.6, "Simple Expected Error": 6.4, "Simple Plus-Minus": -1.6, "Advanced Plus-Minus": -0.8, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 23, "Bias": "R +0.3", "House Effect": "D +0.8", "Average Distance from Polling Average (ADPA)": 5.1, "Herding Penalty": 0.15, "latest_poll": "10/26/08"}
{"rowid": 23, "Pollster": "Michigan State University", "Pollster Rating ID": 463, "# of Polls": 2, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.6, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.0", "Races Called Correctly": "100%", "Misses Outside MOE": "0%", "Simple Average Error": 1.0, "Simple Expected Error": 9.6, "Simple Plus-Minus": -8.4, "Advanced Plus-Minus": -7.7, "Mean-Reverted Advanced Plus Minus": -0.7, "# of Polls for Bias Analysis": 2, "Bias": "R +0.5", "House Effect": "R +1.5", "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0, "latest_poll": "10/18/18"}
{"rowid": 24, "Pollster": "University of Connecticut", "Pollster Rating ID": 347, "# of Polls": 7, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.6, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.3", "Races Called Correctly": "93%", "Misses Outside MOE": "14%", "Simple Average Error": 4.0, "Simple Expected Error": 5.4, "Simple Plus-Minus": -1.2, "Advanced Plus-Minus": -1.4, "Mean-Reverted Advanced Plus Minus": -0.2, "# of Polls for Bias Analysis": 7, "Bias": "R +2.3", "House Effect": "R +2.0", "Average Distance from Polling Average (ADPA)": 8.0, "Herding Penalty": 0.0, "latest_poll": "10/20/08"}
{"rowid": 25, "Pollster": "University of Cincinnati (Ohio Poll)", "Pollster Rating ID": 346, "# of Polls": 39, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.6, "538 Grade": "A/B", "Mean-Reverted Bias": "R +1.3", "Races Called Correctly": "94%", "Misses Outside MOE": "21%", "Simple Average Error": 3.9, "Simple Expected Error": 5.7, "Simple Plus-Minus": -1.7, "Advanced Plus-Minus": -0.9, "Mean-Reverted Advanced Plus Minus": -0.4, "# of Polls for Bias Analysis": 30, "Bias": "R +3.2", "House Effect": "R +2.4", "Average Distance from Polling Average (ADPA)": 3.4, "Herding Penalty": 0.46, "latest_poll": "11/2/12"}
{"rowid": 26, "Pollster": "Temple University", "Pollster Rating ID": 336, "# of Polls": 6, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": -0.6, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.2", "Races Called Correctly": "100%", "Misses Outside MOE": "17%", "Simple Average Error": 3.7, "Simple Expected Error": 5.2, "Simple Plus-Minus": -1.3, "Advanced Plus-Minus": -1.4, "Mean-Reverted Advanced Plus Minus": -0.2, "# of Polls for Bias Analysis": 5, "Bias": "R +2.5", "House Effect": "D +0.7", "Average Distance from Polling Average (ADPA)": 3.7, "Herding Penalty": 0.08, "latest_poll": "10/23/08"}
{"rowid": 27, "Pollster": "Fox News/Beacon Research/Shaw & Co. Research", "Pollster Rating ID": 103, "# of Polls": 40, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.5, "538 Grade": "A-", "Mean-Reverted Bias": "D +1.4", "Races Called Correctly": "71%", "Misses Outside MOE": "38%", "Simple Average Error": 5.6, "Simple Expected Error": 5.8, "Simple Plus-Minus": 0.0, "Advanced Plus-Minus": -0.5, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 25, "Bias": "D +2.7", "House Effect": "D +1.0", "Average Distance from Polling Average (ADPA)": 4.8, "Herding Penalty": 0.0, "latest_poll": "10/29/18"}
{"rowid": 28, "Pollster": "Castleton University", "Pollster Rating ID": 45, "# of Polls": 3, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.5, "538 Grade": "A/B", "Mean-Reverted Bias": null, "Races Called Correctly": "100%", "Misses Outside MOE": "33%", "Simple Average Error": 9.9, "Simple Expected Error": 9.5, "Simple Plus-Minus": 0.6, "Advanced Plus-Minus": -1.0, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 0, "Bias": null, "House Effect": null, "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0, "latest_poll": "2/10/16"}
{"rowid": 29, "Pollster": "KRC/Communications Research", "Pollster Rating ID": 160, "# of Polls": 22, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": -0.5, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.1", "Races Called Correctly": "91%", "Misses Outside MOE": "41%", "Simple Average Error": 7.1, "Simple Expected Error": 7.4, "Simple Plus-Minus": -0.1, "Advanced Plus-Minus": -0.5, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 11, "Bias": "D +0.7", "House Effect": "D +2.5", "Average Distance from Polling Average (ADPA)": 6.5, "Herding Penalty": 0.0, "latest_poll": "1/26/04"}
{"rowid": 30, "Pollster": "Wirthlin Worldwide", "Pollster Rating ID": 387, "# of Polls": 4, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": -0.5, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.2", "Races Called Correctly": "75%", "Misses Outside MOE": "25%", "Simple Average Error": 4.5, "Simple Expected Error": 6.1, "Simple Plus-Minus": -1.3, "Advanced Plus-Minus": -1.6, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 4, "Bias": "R +3.9", "House Effect": "R +5.6", "Average Distance from Polling Average (ADPA)": 5.3, "Herding Penalty": 0.14, "latest_poll": "10/22/00"}
{"rowid": 31, "Pollster": "Indiana University", "Pollster Rating ID": 149, "# of Polls": 2, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.5, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.0", "Races Called Correctly": "100%", "Misses Outside MOE": "0%", "Simple Average Error": 0.9, "Simple Expected Error": 6.1, "Simple Plus-Minus": -5.0, "Advanced Plus-Minus": -4.7, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 2, "Bias": "D +0.9", "House Effect": "D +4.1", "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0, "latest_poll": "10/18/04"}
{"rowid": 32, "Pollster": "Siena College", "Pollster Rating ID": 305, "# of Polls": 53, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "partial", "Methodology": "Online/Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.5, "538 Grade": "A-", "Mean-Reverted Bias": "R +0.7", "Races Called Correctly": "90%", "Misses Outside MOE": "23%", "Simple Average Error": 4.9, "Simple Expected Error": 5.4, "Simple Plus-Minus": -0.2, "Advanced Plus-Minus": -0.9, "Mean-Reverted Advanced Plus Minus": -0.6, "# of Polls for Bias Analysis": 49, "Bias": "R +1.1", "House Effect": "R +1.1", "Average Distance from Polling Average (ADPA)": 4.7, "Herding Penalty": 0.2, "latest_poll": "10/30/18"}
{"rowid": 33, "Pollster": "Louis Harris & Associates", "Pollster Rating ID": 173, "# of Polls": 2, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": -0.5, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.0", "Races Called Correctly": "100%", "Misses Outside MOE": "0%", "Simple Average Error": 0.9, "Simple Expected Error": 5.0, "Simple Plus-Minus": -3.9, "Advanced Plus-Minus": -5.2, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 2, "Bias": "D +0.9", "House Effect": "D +5.4", "Average Distance from Polling Average (ADPA)": 5.5, "Herding Penalty": 0.0, "latest_poll": "10/31/98"}
{"rowid": 34, "Pollster": "Market Strategies International", "Pollster Rating ID": 189, "# of Polls": 1, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": -0.5, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.0", "Races Called Correctly": "100%", "Misses Outside MOE": "0%", "Simple Average Error": 1.1, "Simple Expected Error": 6.3, "Simple Plus-Minus": -5.0, "Advanced Plus-Minus": -5.4, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 1, "Bias": "R +1.1", "House Effect": "R +4.6", "Average Distance from Polling Average (ADPA)": 3.6, "Herding Penalty": 1.27, "latest_poll": "10/28/02"}
{"rowid": 35, "Pollster": "NBC News/The Wall Street Journal", "Pollster Rating ID": 221, "# of Polls": 31, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.4, "538 Grade": "A-", "Mean-Reverted Bias": "D +0.6", "Races Called Correctly": "73%", "Misses Outside MOE": "10%", "Simple Average Error": 4.0, "Simple Expected Error": 5.2, "Simple Plus-Minus": -1.0, "Advanced Plus-Minus": -0.7, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 26, "Bias": "D +1.2", "House Effect": "D +0.7", "Average Distance from Polling Average (ADPA)": 3.1, "Herding Penalty": 0.5, "latest_poll": "11/2/18"}
{"rowid": 36, "Pollster": "University of Florida", "Pollster Rating ID": 349, "# of Polls": 1, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.4, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.0", "Races Called Correctly": "50%", "Misses Outside MOE": "0%", "Simple Average Error": 1.1, "Simple Expected Error": 4.5, "Simple Plus-Minus": -3.3, "Advanced Plus-Minus": -1.0, "Mean-Reverted Advanced Plus Minus": 0.0, "# of Polls for Bias Analysis": 1, "Bias": "D +1.1", "House Effect": "R +0.1", "Average Distance from Polling Average (ADPA)": 1.4, "Herding Penalty": 1.2, "latest_poll": "10/26/14"}
{"rowid": 37, "Pollster": "Gordon S. Black Corp.", "Pollster Rating ID": 123, "# of Polls": 2, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": -0.4, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.1", "Races Called Correctly": "100%", "Misses Outside MOE": "50%", "Simple Average Error": 6.4, "Simple Expected Error": 4.4, "Simple Plus-Minus": 2.1, "Advanced Plus-Minus": 0.5, "Mean-Reverted Advanced Plus Minus": 0.0, "# of Polls for Bias Analysis": 2, "Bias": "R +6.4", "House Effect": "R +1.3", "Average Distance from Polling Average (ADPA)": 6.0, "Herding Penalty": 0.0, "latest_poll": "10/18/98"}
{"rowid": 38, "Pollster": "Fox News/Opinion Dynamics Corp.", "Pollster Rating ID": 104, "# of Polls": 34, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": -0.4, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.3", "Races Called Correctly": "72%", "Misses Outside MOE": "12%", "Simple Average Error": 3.9, "Simple Expected Error": 5.1, "Simple Plus-Minus": -1.1, "Advanced Plus-Minus": -0.3, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 28, "Bias": "R +0.9", "House Effect": "R +1.6", "Average Distance from Polling Average (ADPA)": 4.1, "Herding Penalty": 0.15, "latest_poll": "10/27/10"}
{"rowid": 39, "Pollster": "Yankelovich Partners Inc.", "Pollster Rating ID": 390, "# of Polls": 7, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": -0.4, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.0", "Races Called Correctly": "50%", "Misses Outside MOE": "43%", "Simple Average Error": 8.1, "Simple Expected Error": 7.1, "Simple Plus-Minus": 1.2, "Advanced Plus-Minus": 0.2, "Mean-Reverted Advanced Plus Minus": 0.0, "# of Polls for Bias Analysis": 3, "Bias": "R +1.0", "House Effect": "R +1.8", "Average Distance from Polling Average (ADPA)": 4.3, "Herding Penalty": 0.23, "latest_poll": "10/26/00"}
{"rowid": 40, "Pollster": "Emerson College", "Pollster Rating ID": 88, "# of Polls": 165, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "no", "Methodology": "IVR/Online/Text", "Banned by 538": "no", "Predictive    Plus-Minus": -0.4, "538 Grade": "A-", "Mean-Reverted Bias": "D +0.3", "Races Called Correctly": "80%", "Misses Outside MOE": "24%", "Simple Average Error": 5.4, "Simple Expected Error": 6.2, "Simple Plus-Minus": -0.6, "Advanced Plus-Minus": -0.7, "Mean-Reverted Advanced Plus Minus": -0.6, "# of Polls for Bias Analysis": 123, "Bias": "D +0.4", "House Effect": "R +1.3", "Average Distance from Polling Average (ADPA)": 5.2, "Herding Penalty": 0.05, "latest_poll": "3/12/20"}
{"rowid": 41, "Pollster": "Harvard University", "Pollster Rating ID": 135, "# of Polls": 1, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": -0.4, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.1", "Races Called Correctly": "0%", "Misses Outside MOE": "0%", "Simple Average Error": 6.8, "Simple Expected Error": 6.2, "Simple Plus-Minus": 0.8, "Advanced Plus-Minus": 0.7, "Mean-Reverted Advanced Plus Minus": 0.0, "# of Polls for Bias Analysis": 1, "Bias": "D +6.8", "House Effect": "D +1.5", "Average Distance from Polling Average (ADPA)": 2.0, "Herding Penalty": 2.69, "latest_poll": "10/26/02"}
{"rowid": 42, "Pollster": "Public Policy Institute of California", "Pollster Rating ID": 262, "# of Polls": 16, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.3, "538 Grade": "A/B", "Mean-Reverted Bias": "R +1.0", "Races Called Correctly": "100%", "Misses Outside MOE": "25%", "Simple Average Error": 5.2, "Simple Expected Error": 5.5, "Simple Plus-Minus": -0.1, "Advanced Plus-Minus": 0.0, "Mean-Reverted Advanced Plus Minus": 0.0, "# of Polls for Bias Analysis": 10, "Bias": "R +4.4", "House Effect": "R +1.1", "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0, "latest_poll": "2/12/20"}
{"rowid": 43, "Pollster": "University of Illinois at Chicago", "Pollster Rating ID": 352, "# of Polls": 1, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": -0.3, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.2", "Races Called Correctly": "100%", "Misses Outside MOE": "100%", "Simple Average Error": 14.1, "Simple Expected Error": 5.3, "Simple Plus-Minus": 8.9, "Advanced Plus-Minus": 7.2, "Mean-Reverted Advanced Plus Minus": 0.1, "# of Polls for Bias Analysis": 1, "Bias": "R +14.1", "House Effect": "R +5.1", "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0, "latest_poll": "10/16/98"}
{"rowid": 44, "Pollster": "Abt Associates", "Pollster Rating ID": 7, "# of Polls": 10, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.3, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.8", "Races Called Correctly": "90%", "Misses Outside MOE": "20%", "Simple Average Error": 3.8, "Simple Expected Error": 5.1, "Simple Plus-Minus": -1.1, "Advanced Plus-Minus": -0.3, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 9, "Bias": "D +3.3", "House Effect": "D +0.3", "Average Distance from Polling Average (ADPA)": 4.0, "Herding Penalty": 0.4, "latest_poll": "6/7/17"}
{"rowid": 45, "Pollster": "Winthrop University", "Pollster Rating ID": 386, "# of Polls": 2, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.3, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.0", "Races Called Correctly": "100%", "Misses Outside MOE": "50%", "Simple Average Error": 12.0, "Simple Expected Error": 6.4, "Simple Plus-Minus": 5.8, "Advanced Plus-Minus": 0.6, "Mean-Reverted Advanced Plus Minus": 0.1, "# of Polls for Bias Analysis": 1, "Bias": "D +0.2", "House Effect": "R +1.2", "Average Distance from Polling Average (ADPA)": 3.6, "Herding Penalty": 0.27, "latest_poll": "2/14/20"}
{"rowid": 46, "Pollster": "RKM Research and Communications Inc.", "Pollster Rating ID": 272, "# of Polls": 34, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.3, "538 Grade": "A-", "Mean-Reverted Bias": "R +0.1", "Races Called Correctly": "87%", "Misses Outside MOE": "24%", "Simple Average Error": 5.3, "Simple Expected Error": 6.9, "Simple Plus-Minus": -1.4, "Advanced Plus-Minus": -1.2, "Mean-Reverted Advanced Plus Minus": -0.6, "# of Polls for Bias Analysis": 20, "Bias": "R +0.5", "House Effect": "R +1.5", "Average Distance from Polling Average (ADPA)": 4.5, "Herding Penalty": 0.05, "latest_poll": "2/7/20"}
{"rowid": 47, "Pollster": "Georgetown University (Battleground)", "Pollster Rating ID": 114, "# of Polls": 35, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.3, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.6", "Races Called Correctly": "57%", "Misses Outside MOE": "11%", "Simple Average Error": 3.4, "Simple Expected Error": 4.6, "Simple Plus-Minus": -1.0, "Advanced Plus-Minus": -0.3, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 35, "Bias": "R +1.4", "House Effect": "R +1.6", "Average Distance from Polling Average (ADPA)": 3.3, "Herding Penalty": 0.43, "latest_poll": "11/5/12"}
{"rowid": 48, "Pollster": "Princeton Survey Research Associates International", "Pollster Rating ID": 258, "# of Polls": 35, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.3, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.5", "Races Called Correctly": "63%", "Misses Outside MOE": "31%", "Simple Average Error": 5.1, "Simple Expected Error": 5.1, "Simple Plus-Minus": 0.2, "Advanced Plus-Minus": 0.1, "Mean-Reverted Advanced Plus Minus": 0.1, "# of Polls for Bias Analysis": 33, "Bias": "D +1.2", "House Effect": "D +0.2", "Average Distance from Polling Average (ADPA)": 4.7, "Herding Penalty": 0.0, "latest_poll": "10/25/14"}
{"rowid": 49, "Pollster": "Market Shares Corp.", "Pollster Rating ID": 187, "# of Polls": 25, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.3, "538 Grade": "A/B", "Mean-Reverted Bias": "R +1.1", "Races Called Correctly": "84%", "Misses Outside MOE": "28%", "Simple Average Error": 5.8, "Simple Expected Error": 5.5, "Simple Plus-Minus": 0.5, "Advanced Plus-Minus": -0.1, "Mean-Reverted Advanced Plus Minus": 0.0, "# of Polls for Bias Analysis": 22, "Bias": "R +4.1", "House Effect": "R +1.9", "Average Distance from Polling Average (ADPA)": 4.6, "Herding Penalty": 0.36, "latest_poll": "10/22/12"}
{"rowid": 50, "Pollster": "Mason-Dixon Polling & Strategy", "Pollster Rating ID": 197, "# of Polls": 433, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.3, "538 Grade": "B+", "Mean-Reverted Bias": "R +0.6", "Races Called Correctly": "87%", "Misses Outside MOE": "23%", "Simple Average Error": 5.1, "Simple Expected Error": 5.7, "Simple Plus-Minus": -0.4, "Advanced Plus-Minus": -0.6, "Mean-Reverted Advanced Plus Minus": -0.6, "# of Polls for Bias Analysis": 376, "Bias": "R +0.7", "House Effect": "R +1.2", "Average Distance from Polling Average (ADPA)": 5.1, "Herding Penalty": 0.09, "latest_poll": "11/6/19"}
{"rowid": 51, "Pollster": "CNN/Opinion Research Corp.", "Pollster Rating ID": 37, "# of Polls": 103, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.2, "538 Grade": "B+", "Mean-Reverted Bias": "D +0.0", "Races Called Correctly": "72%", "Misses Outside MOE": "25%", "Simple Average Error": 5.5, "Simple Expected Error": 6.2, "Simple Plus-Minus": -0.4, "Advanced Plus-Minus": -0.2, "Mean-Reverted Advanced Plus Minus": -0.2, "# of Polls for Bias Analysis": 71, "Bias": "D +0.0", "House Effect": "D +0.1", "Average Distance from Polling Average (ADPA)": 5.0, "Herding Penalty": 0.09, "latest_poll": "10/30/16"}
{"rowid": 52, "Pollster": "Research & Polling Inc.", "Pollster Rating ID": 280, "# of Polls": 32, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.2, "538 Grade": "B+", "Mean-Reverted Bias": "R +0.9", "Races Called Correctly": "84%", "Misses Outside MOE": "9%", "Simple Average Error": 4.5, "Simple Expected Error": 6.0, "Simple Plus-Minus": -1.2, "Advanced Plus-Minus": -1.5, "Mean-Reverted Advanced Plus Minus": -0.7, "# of Polls for Bias Analysis": 31, "Bias": "R +1.8", "House Effect": "R +0.5", "Average Distance from Polling Average (ADPA)": 3.2, "Herding Penalty": 0.56, "latest_poll": "10/29/18"}
{"rowid": 53, "Pollster": "Quinnipiac University", "Pollster Rating ID": 267, "# of Polls": 207, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.2, "538 Grade": "B+", "Mean-Reverted Bias": "D +0.2", "Races Called Correctly": "83%", "Misses Outside MOE": "23%", "Simple Average Error": 4.6, "Simple Expected Error": 5.6, "Simple Plus-Minus": -0.8, "Advanced Plus-Minus": -0.2, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 153, "Bias": "D +0.2", "House Effect": "D +0.4", "Average Distance from Polling Average (ADPA)": 5.2, "Herding Penalty": 0.0, "latest_poll": "11/1/18"}
{"rowid": 54, "Pollster": "EPIC-MRA", "Pollster Rating ID": 84, "# of Polls": 49, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.2, "538 Grade": "B+", "Mean-Reverted Bias": "R +0.2", "Races Called Correctly": "78%", "Misses Outside MOE": "24%", "Simple Average Error": 5.5, "Simple Expected Error": 6.1, "Simple Plus-Minus": -0.4, "Advanced Plus-Minus": -0.8, "Mean-Reverted Advanced Plus Minus": -0.5, "# of Polls for Bias Analysis": 42, "Bias": "R +0.4", "House Effect": "D +0.6", "Average Distance from Polling Average (ADPA)": 5.3, "Herding Penalty": 0.13, "latest_poll": "3/5/20"}
{"rowid": 55, "Pollster": "Elway Research", "Pollster Rating ID": 87, "# of Polls": 21, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "partial", "Methodology": "Live/Text", "Banned by 538": "no", "Predictive    Plus-Minus": -0.2, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.8", "Races Called Correctly": "90%", "Misses Outside MOE": "5%", "Simple Average Error": 3.9, "Simple Expected Error": 6.3, "Simple Plus-Minus": -2.2, "Advanced Plus-Minus": -2.6, "Mean-Reverted Advanced Plus Minus": -1.0, "# of Polls for Bias Analysis": 20, "Bias": "D +2.1", "House Effect": "D +3.7", "Average Distance from Polling Average (ADPA)": 4.2, "Herding Penalty": 0.37, "latest_poll": "10/21/16"}
{"rowid": 56, "Pollster": "St. Norbert College", "Pollster Rating ID": 313, "# of Polls": 12, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.2, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.2", "Races Called Correctly": "88%", "Misses Outside MOE": "0%", "Simple Average Error": 3.9, "Simple Expected Error": 6.7, "Simple Plus-Minus": -2.7, "Advanced Plus-Minus": -2.4, "Mean-Reverted Advanced Plus Minus": -0.6, "# of Polls for Bias Analysis": 11, "Bias": "D +0.9", "House Effect": "D +3.0", "Average Distance from Polling Average (ADPA)": 5.3, "Herding Penalty": 0.22, "latest_poll": "10/20/14"}
{"rowid": 57, "Pollster": "University of North Florida", "Pollster Rating ID": 360, "# of Polls": 9, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "partial", "Methodology": "Online/Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.1, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.7", "Races Called Correctly": "44%", "Misses Outside MOE": "33%", "Simple Average Error": 4.0, "Simple Expected Error": 5.9, "Simple Plus-Minus": -1.7, "Advanced Plus-Minus": -0.4, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 6, "Bias": "D +3.9", "House Effect": "D +1.4", "Average Distance from Polling Average (ADPA)": 4.0, "Herding Penalty": 0.04, "latest_poll": "3/8/20"}
{"rowid": 58, "Pollster": "Elon University", "Pollster Rating ID": 86, "# of Polls": 8, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "partial", "Methodology": "Online/Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.1, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.5", "Races Called Correctly": "56%", "Misses Outside MOE": "13%", "Simple Average Error": 3.2, "Simple Expected Error": 4.6, "Simple Plus-Minus": -1.3, "Advanced Plus-Minus": -1.0, "Mean-Reverted Advanced Plus Minus": -0.2, "# of Polls for Bias Analysis": 8, "Bias": "D +2.1", "House Effect": "D +0.8", "Average Distance from Polling Average (ADPA)": 3.6, "Herding Penalty": 0.57, "latest_poll": "10/25/16"}
{"rowid": 59, "Pollster": "National Research Inc.", "Pollster Rating ID": 225, "# of Polls": 10, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.1, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.5", "Races Called Correctly": "75%", "Misses Outside MOE": "20%", "Simple Average Error": 5.1, "Simple Expected Error": 6.8, "Simple Plus-Minus": -1.5, "Advanced Plus-Minus": -1.7, "Mean-Reverted Advanced Plus Minus": -0.4, "# of Polls for Bias Analysis": 7, "Bias": "R +3.3", "House Effect": "R +5.5", "Average Distance from Polling Average (ADPA)": 5.9, "Herding Penalty": 0.0, "latest_poll": "3/5/16"}
{"rowid": 60, "Pollster": "Blum & Weprin Associates", "Pollster Rating ID": 32, "# of Polls": 19, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.1, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.7", "Races Called Correctly": "95%", "Misses Outside MOE": "21%", "Simple Average Error": 4.8, "Simple Expected Error": 5.2, "Simple Plus-Minus": -0.2, "Advanced Plus-Minus": -2.1, "Mean-Reverted Advanced Plus Minus": -0.5, "# of Polls for Bias Analysis": 17, "Bias": "R +3.4", "House Effect": "D +0.9", "Average Distance from Polling Average (ADPA)": 4.6, "Herding Penalty": 0.04, "latest_poll": "10/25/10"}
{"rowid": 61, "Pollster": "Public Religion Research Institute", "Pollster Rating ID": 428, "# of Polls": 1, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "partial", "Methodology": "Online/Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.1, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.0", "Races Called Correctly": "100%", "Misses Outside MOE": "0%", "Simple Average Error": 0.4, "Simple Expected Error": 5.1, "Simple Plus-Minus": -4.4, "Advanced Plus-Minus": -2.9, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 1, "Bias": "D +0.4", "House Effect": "D +1.7", "Average Distance from Polling Average (ADPA)": 2.0, "Herding Penalty": 1.23, "latest_poll": "10/19/18"}
{"rowid": 62, "Pollster": "Middle Tennessee State University", "Pollster Rating ID": 208, "# of Polls": 5, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.1, "538 Grade": "A/B", "Mean-Reverted Bias": "D +0.6", "Races Called Correctly": "100%", "Misses Outside MOE": "60%", "Simple Average Error": 9.3, "Simple Expected Error": 6.0, "Simple Plus-Minus": 3.5, "Advanced Plus-Minus": 2.1, "Mean-Reverted Advanced Plus Minus": 0.3, "# of Polls for Bias Analysis": 4, "Bias": "D +4.6", "House Effect": "R +5.0", "Average Distance from Polling Average (ADPA)": 4.5, "Herding Penalty": 0.21, "latest_poll": "10/24/14"}
{"rowid": 63, "Pollster": "Fleming & Associates", "Pollster Rating ID": 96, "# of Polls": 17, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": -0.1, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.4", "Races Called Correctly": "100%", "Misses Outside MOE": "12%", "Simple Average Error": 5.0, "Simple Expected Error": 6.3, "Simple Plus-Minus": -1.1, "Advanced Plus-Minus": -1.7, "Mean-Reverted Advanced Plus Minus": -0.6, "# of Polls for Bias Analysis": 15, "Bias": "R +1.4", "House Effect": "R +0.2", "Average Distance from Polling Average (ADPA)": 3.7, "Herding Penalty": 0.63, "latest_poll": "10/22/18"}
{"rowid": 64, "Pollster": "University of Massachusetts Lowell", "Pollster Rating ID": 355, "# of Polls": 19, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "no", "Methodology": "Online", "Banned by 538": "no", "Predictive    Plus-Minus": -0.1, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.2", "Races Called Correctly": "74%", "Misses Outside MOE": "37%", "Simple Average Error": 7.2, "Simple Expected Error": 6.9, "Simple Plus-Minus": 0.5, "Advanced Plus-Minus": -0.6, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 9, "Bias": "R +0.8", "House Effect": "R +0.6", "Average Distance from Polling Average (ADPA)": 5.5, "Herding Penalty": 0.0, "latest_poll": "2/16/20"}
{"rowid": 65, "Pollster": "Cygnal", "Pollster Rating ID": 67, "# of Polls": 13, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "partial", "Methodology": "IVR/Online/Live/Text", "Banned by 538": "no", "Predictive    Plus-Minus": -0.1, "538 Grade": "A/B", "Mean-Reverted Bias": "D +1.0", "Races Called Correctly": "92%", "Misses Outside MOE": "0%", "Simple Average Error": 3.0, "Simple Expected Error": 5.6, "Simple Plus-Minus": -2.4, "Advanced Plus-Minus": -3.0, "Mean-Reverted Advanced Plus Minus": -1.1, "# of Polls for Bias Analysis": 13, "Bias": "D +2.6", "House Effect": "R +1.0", "Average Distance from Polling Average (ADPA)": 3.5, "Herding Penalty": 0.76, "latest_poll": "11/8/19"}
{"rowid": 66, "Pollster": "Angus Reid Global", "Pollster Rating ID": 13, "# of Polls": 30, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "no", "Methodology": "Online", "Banned by 538": "no", "Predictive    Plus-Minus": 0.0, "538 Grade": "B+", "Mean-Reverted Bias": "R +1.2", "Races Called Correctly": "93%", "Misses Outside MOE": "7%", "Simple Average Error": 3.2, "Simple Expected Error": 5.6, "Simple Plus-Minus": -2.1, "Advanced Plus-Minus": -2.6, "Mean-Reverted Advanced Plus Minus": -1.2, "# of Polls for Bias Analysis": 30, "Bias": "R +2.6", "House Effect": "D +0.8", "Average Distance from Polling Average (ADPA)": 3.1, "Herding Penalty": 0.85, "latest_poll": "11/3/16"}
{"rowid": 67, "Pollster": "Public Opinion Strategies", "Pollster Rating ID": 260, "# of Polls": 64, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "partial", "Methodology": "Online/Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.0, "538 Grade": "B+", "Mean-Reverted Bias": "R +1.5", "Races Called Correctly": "70%", "Misses Outside MOE": "22%", "Simple Average Error": 5.7, "Simple Expected Error": 6.1, "Simple Plus-Minus": -0.2, "Advanced Plus-Minus": -0.4, "Mean-Reverted Advanced Plus Minus": -0.2, "# of Polls for Bias Analysis": 62, "Bias": "R +2.4", "House Effect": "R +4.1", "Average Distance from Polling Average (ADPA)": 4.3, "Herding Penalty": 0.33, "latest_poll": "10/16/18"}
{"rowid": 68, "Pollster": "Strategic Vision LLC", "Pollster Rating ID": 320, "# of Polls": 133, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "yes", "Predictive    Plus-Minus": 0.0, "538 Grade": "F", "Mean-Reverted Bias": "R +1.5", "Races Called Correctly": "89%", "Misses Outside MOE": "18%", "Simple Average Error": 3.8, "Simple Expected Error": 5.1, "Simple Plus-Minus": -1.1, "Advanced Plus-Minus": -0.4, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 110, "Bias": "R +2.2", "House Effect": "R +2.1", "Average Distance from Polling Average (ADPA)": 4.4, "Herding Penalty": 0.12, "latest_poll": "11/1/08"}
{"rowid": 69, "Pollster": "North Star Opinion Research/Ayres, McHenry & Associates", "Pollster Rating ID": 233, "# of Polls": 8, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.0, "538 Grade": "A/B", "Mean-Reverted Bias": "R +0.6", "Races Called Correctly": "94%", "Misses Outside MOE": "25%", "Simple Average Error": 5.5, "Simple Expected Error": 6.7, "Simple Plus-Minus": -1.0, "Advanced Plus-Minus": -3.5, "Mean-Reverted Advanced Plus Minus": -0.7, "# of Polls for Bias Analysis": 6, "Bias": "R +3.5", "House Effect": "R +6.1", "Average Distance from Polling Average (ADPA)": 4.4, "Herding Penalty": 0.37, "latest_poll": "10/23/16"}
{"rowid": 70, "Pollster": "American Viewpoint", "Pollster Rating ID": 10, "# of Polls": 8, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.0, "538 Grade": "B/C", "Mean-Reverted Bias": "R +0.8", "Races Called Correctly": "69%", "Misses Outside MOE": "0%", "Simple Average Error": 4.2, "Simple Expected Error": 5.7, "Simple Plus-Minus": -1.3, "Advanced Plus-Minus": -1.6, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 8, "Bias": "R +3.5", "House Effect": "R +3.3", "Average Distance from Polling Average (ADPA)": 6.3, "Herding Penalty": 0.0, "latest_poll": "10/17/18"}
{"rowid": 71, "Pollster": "Landmark Communications", "Pollster Rating ID": 166, "# of Polls": 39, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "partial", "Methodology": "IVR/Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.0, "538 Grade": "B", "Mean-Reverted Bias": "D +1.5", "Races Called Correctly": "82%", "Misses Outside MOE": "23%", "Simple Average Error": 4.8, "Simple Expected Error": 5.4, "Simple Plus-Minus": -0.5, "Advanced Plus-Minus": -0.8, "Mean-Reverted Advanced Plus Minus": -0.4, "# of Polls for Bias Analysis": 33, "Bias": "D +2.8", "House Effect": "R +0.5", "Average Distance from Polling Average (ADPA)": 4.5, "Herding Penalty": 0.0, "latest_poll": "6/19/17"}
{"rowid": 72, "Pollster": "Ward Research (Honolulu Star-Advertiser)", "Pollster Rating ID": 375, "# of Polls": 15, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.0, "538 Grade": "B/C", "Mean-Reverted Bias": "R +0.4", "Races Called Correctly": "80%", "Misses Outside MOE": "33%", "Simple Average Error": 5.9, "Simple Expected Error": 6.0, "Simple Plus-Minus": 0.0, "Advanced Plus-Minus": -1.5, "Mean-Reverted Advanced Plus Minus": -0.4, "# of Polls for Bias Analysis": 15, "Bias": "R +1.4", "House Effect": "D +1.8", "Average Distance from Polling Average (ADPA)": 3.9, "Herding Penalty": 0.49, "latest_poll": "10/15/14"}
{"rowid": 73, "Pollster": "University of Arkansas", "Pollster Rating ID": 345, "# of Polls": 6, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.0, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.7", "Races Called Correctly": "100%", "Misses Outside MOE": "0%", "Simple Average Error": 4.1, "Simple Expected Error": 5.3, "Simple Plus-Minus": -1.0, "Advanced Plus-Minus": -2.6, "Mean-Reverted Advanced Plus Minus": -0.5, "# of Polls for Bias Analysis": 6, "Bias": "D +4.1", "House Effect": "R +3.9", "Average Distance from Polling Average (ADPA)": 6.9, "Herding Penalty": 0.0, "latest_poll": "10/22/16"}
{"rowid": 74, "Pollster": "Harstad Strategic Research Inc.", "Pollster Rating ID": 134, "# of Polls": 10, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.0, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.6", "Races Called Correctly": "75%", "Misses Outside MOE": "10%", "Simple Average Error": 3.8, "Simple Expected Error": 5.9, "Simple Plus-Minus": -1.9, "Advanced Plus-Minus": -1.6, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 10, "Bias": "D +2.6", "House Effect": "D +3.3", "Average Distance from Polling Average (ADPA)": 5.1, "Herding Penalty": 0.0, "latest_poll": "10/21/14"}
{"rowid": 75, "Pollster": "RT Strategies", "Pollster Rating ID": 275, "# of Polls": 42, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.1, "538 Grade": "B/C", "Mean-Reverted Bias": "D +1.0", "Races Called Correctly": "69%", "Misses Outside MOE": "40%", "Simple Average Error": 5.9, "Simple Expected Error": 4.8, "Simple Plus-Minus": 1.3, "Advanced Plus-Minus": 0.9, "Mean-Reverted Advanced Plus Minus": 0.4, "# of Polls for Bias Analysis": 42, "Bias": "D +2.2", "House Effect": "D +3.4", "Average Distance from Polling Average (ADPA)": 8.6, "Herding Penalty": 0.0, "latest_poll": "10/28/06"}
{"rowid": 76, "Pollster": "Harper Polling", "Pollster Rating ID": 132, "# of Polls": 11, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "partial", "Methodology": "IVR/Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.1, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.1", "Races Called Correctly": "91%", "Misses Outside MOE": "18%", "Simple Average Error": 3.6, "Simple Expected Error": 6.0, "Simple Plus-Minus": -2.3, "Advanced Plus-Minus": -1.9, "Mean-Reverted Advanced Plus Minus": -0.6, "# of Polls for Bias Analysis": 8, "Bias": "D +0.5", "House Effect": "R +1.1", "Average Distance from Polling Average (ADPA)": 5.3, "Herding Penalty": 0.0, "latest_poll": "11/3/16"}
{"rowid": 77, "Pollster": "University of South Alabama", "Pollster Rating ID": 361, "# of Polls": 9, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.1, "538 Grade": "B/C", "Mean-Reverted Bias": "R +0.4", "Races Called Correctly": "100%", "Misses Outside MOE": "11%", "Simple Average Error": 3.3, "Simple Expected Error": 5.3, "Simple Plus-Minus": -1.8, "Advanced Plus-Minus": -2.0, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 9, "Bias": "R +2.6", "House Effect": "R +2.0", "Average Distance from Polling Average (ADPA)": 7.2, "Herding Penalty": 0.0, "latest_poll": "10/14/10"}
{"rowid": 78, "Pollster": "Public Policy Polling", "Pollster Rating ID": 263, "# of Polls": 423, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "no", "Methodology": "IVR/Text", "Banned by 538": "no", "Predictive    Plus-Minus": 0.1, "538 Grade": "B", "Mean-Reverted Bias": "D +0.3", "Races Called Correctly": "80%", "Misses Outside MOE": "31%", "Simple Average Error": 5.0, "Simple Expected Error": 5.5, "Simple Plus-Minus": -0.3, "Advanced Plus-Minus": -0.4, "Mean-Reverted Advanced Plus Minus": -0.4, "# of Polls for Bias Analysis": 294, "Bias": "D +0.4", "House Effect": "D +0.9", "Average Distance from Polling Average (ADPA)": 4.7, "Herding Penalty": 0.0, "latest_poll": "2/25/20"}
{"rowid": 79, "Pollster": "GQR Research (GQRR)", "Pollster Rating ID": 126, "# of Polls": 57, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "partial", "Methodology": "Online/Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.1, "538 Grade": "B", "Mean-Reverted Bias": "D +2.1", "Races Called Correctly": "56%", "Misses Outside MOE": "14%", "Simple Average Error": 4.5, "Simple Expected Error": 5.3, "Simple Plus-Minus": -0.6, "Advanced Plus-Minus": 0.1, "Mean-Reverted Advanced Plus Minus": 0.0, "# of Polls for Bias Analysis": 55, "Bias": "D +3.6", "House Effect": "D +3.4", "Average Distance from Polling Average (ADPA)": 4.1, "Herding Penalty": 0.13, "latest_poll": "10/24/18"}
{"rowid": 80, "Pollster": "University of Wisconsin (Badger Poll)", "Pollster Rating ID": 365, "# of Polls": 7, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": 0.1, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.4", "Races Called Correctly": "86%", "Misses Outside MOE": "29%", "Simple Average Error": 12.2, "Simple Expected Error": 6.0, "Simple Plus-Minus": 6.4, "Advanced Plus-Minus": 3.6, "Mean-Reverted Advanced Plus Minus": 0.4, "# of Polls for Bias Analysis": 6, "Bias": "D +4.1", "House Effect": "D +3.8", "Average Distance from Polling Average (ADPA)": 4.0, "Herding Penalty": 0.89, "latest_poll": "10/25/08"}
{"rowid": 81, "Pollster": "Gallup", "Pollster Rating ID": 112, "# of Polls": 84, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.1, "538 Grade": "B", "Mean-Reverted Bias": "R +0.4", "Races Called Correctly": "69%", "Misses Outside MOE": "30%", "Simple Average Error": 4.3, "Simple Expected Error": 5.0, "Simple Plus-Minus": -0.6, "Advanced Plus-Minus": 0.6, "Mean-Reverted Advanced Plus Minus": 0.4, "# of Polls for Bias Analysis": 69, "Bias": "R +0.7", "House Effect": "R +1.4", "Average Distance from Polling Average (ADPA)": 4.1, "Herding Penalty": 0.0, "latest_poll": "10/22/18"}
{"rowid": 82, "Pollster": "Rutgers University", "Pollster Rating ID": 295, "# of Polls": 14, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.1, "538 Grade": "B/C", "Mean-Reverted Bias": "R +0.0", "Races Called Correctly": "86%", "Misses Outside MOE": "14%", "Simple Average Error": 5.7, "Simple Expected Error": 5.6, "Simple Plus-Minus": 0.3, "Advanced Plus-Minus": 1.8, "Mean-Reverted Advanced Plus Minus": 0.5, "# of Polls for Bias Analysis": 14, "Bias": "R +0.1", "House Effect": "D +0.9", "Average Distance from Polling Average (ADPA)": 6.1, "Herding Penalty": 0.0, "latest_poll": "10/16/18"}
{"rowid": 83, "Pollster": "Pharos Research Group", "Pollster Rating ID": 254, "# of Polls": 33, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "yes", "Predictive    Plus-Minus": 0.1, "538 Grade": "F", "Mean-Reverted Bias": "D +0.8", "Races Called Correctly": "92%", "Misses Outside MOE": "15%", "Simple Average Error": 3.8, "Simple Expected Error": 4.9, "Simple Plus-Minus": -1.0, "Advanced Plus-Minus": -0.4, "Mean-Reverted Advanced Plus Minus": -0.2, "# of Polls for Bias Analysis": 33, "Bias": "D +1.6", "House Effect": "D +1.1", "Average Distance from Polling Average (ADPA)": 4.1, "Herding Penalty": 0.22, "latest_poll": "10/27/12"}
{"rowid": 84, "Pollster": "Keating Research", "Pollster Rating ID": 161, "# of Polls": 5, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.1, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.1", "Races Called Correctly": "80%", "Misses Outside MOE": "0%", "Simple Average Error": 2.4, "Simple Expected Error": 5.0, "Simple Plus-Minus": -2.4, "Advanced Plus-Minus": -2.1, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 5, "Bias": "D +0.9", "House Effect": "D +2.8", "Average Distance from Polling Average (ADPA)": 3.7, "Herding Penalty": 0.62, "latest_poll": "11/3/16"}
{"rowid": 85, "Pollster": "American Research Group", "Pollster Rating ID": 9, "# of Polls": 273, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B", "Mean-Reverted Bias": "R +0.2", "Races Called Correctly": "75%", "Misses Outside MOE": "39%", "Simple Average Error": 7.4, "Simple Expected Error": 7.4, "Simple Plus-Minus": 0.2, "Advanced Plus-Minus": 0.3, "Mean-Reverted Advanced Plus Minus": 0.2, "# of Polls for Bias Analysis": 82, "Bias": "R +0.2", "House Effect": "R +1.7", "Average Distance from Polling Average (ADPA)": 6.9, "Herding Penalty": 0.0, "latest_poll": "2/9/20"}
{"rowid": 86, "Pollster": "Montana State University Billings", "Pollster Rating ID": 216, "# of Polls": 7, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.3", "Races Called Correctly": "57%", "Misses Outside MOE": "0%", "Simple Average Error": 3.6, "Simple Expected Error": 6.3, "Simple Plus-Minus": -2.5, "Advanced Plus-Minus": -4.1, "Mean-Reverted Advanced Plus Minus": -0.5, "# of Polls for Bias Analysis": 7, "Bias": "D +3.0", "House Effect": "D +2.5", "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0, "latest_poll": "10/18/08"}
{"rowid": 87, "Pollster": "Greenberg Quinlan Rosner/American Viewpoint", "Pollster Rating ID": 127, "# of Polls": 8, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": "R +0.7", "Races Called Correctly": "100%", "Misses Outside MOE": "50%", "Simple Average Error": 4.4, "Simple Expected Error": 4.9, "Simple Plus-Minus": -0.3, "Advanced Plus-Minus": -0.8, "Mean-Reverted Advanced Plus Minus": -0.2, "# of Polls for Bias Analysis": 6, "Bias": "R +4.2", "House Effect": "D +1.5", "Average Distance from Polling Average (ADPA)": 5.4, "Herding Penalty": 0.0, "latest_poll": "10/26/16"}
{"rowid": 88, "Pollster": "Financial Dynamics", "Pollster Rating ID": 95, "# of Polls": 15, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": "R +0.4", "Races Called Correctly": "100%", "Misses Outside MOE": "0%", "Simple Average Error": 2.6, "Simple Expected Error": 4.7, "Simple Plus-Minus": -1.9, "Advanced Plus-Minus": -1.3, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 15, "Bias": "R +1.7", "House Effect": "R +2.2", "Average Distance from Polling Average (ADPA)": 2.4, "Herding Penalty": 0.63, "latest_poll": "11/1/08"}
{"rowid": 89, "Pollster": "University of Washington", "Pollster Rating ID": 364, "# of Polls": 9, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.1", "Races Called Correctly": "100%", "Misses Outside MOE": "0%", "Simple Average Error": 3.6, "Simple Expected Error": 5.5, "Simple Plus-Minus": -1.7, "Advanced Plus-Minus": -1.6, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 9, "Bias": "D +0.3", "House Effect": "D +3.4", "Average Distance from Polling Average (ADPA)": 4.8, "Herding Penalty": 0.74, "latest_poll": "10/25/12"}
{"rowid": 90, "Pollster": "Market Research Institute Inc.", "Pollster Rating ID": 186, "# of Polls": 11, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.1", "Races Called Correctly": "100%", "Misses Outside MOE": "27%", "Simple Average Error": 4.2, "Simple Expected Error": 5.3, "Simple Plus-Minus": -1.0, "Advanced Plus-Minus": -1.6, "Mean-Reverted Advanced Plus Minus": -0.2, "# of Polls for Bias Analysis": 11, "Bias": "D +0.6", "House Effect": "D +0.4", "Average Distance from Polling Average (ADPA)": 5.1, "Herding Penalty": 0.35, "latest_poll": "10/24/04"}
{"rowid": 91, "Pollster": "Iowa State University", "Pollster Rating ID": 153, "# of Polls": 3, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": null, "Races Called Correctly": "67%", "Misses Outside MOE": "33%", "Simple Average Error": 6.2, "Simple Expected Error": 8.9, "Simple Plus-Minus": -2.4, "Advanced Plus-Minus": -3.7, "Mean-Reverted Advanced Plus Minus": -0.4, "# of Polls for Bias Analysis": 0, "Bias": null, "House Effect": null, "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0, "latest_poll": "1/14/16"}
{"rowid": 92, "Pollster": "McKeon & Associates", "Pollster Rating ID": 202, "# of Polls": 3, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.2", "Races Called Correctly": "67%", "Misses Outside MOE": "33%", "Simple Average Error": 2.9, "Simple Expected Error": 5.9, "Simple Plus-Minus": -2.9, "Advanced Plus-Minus": -4.1, "Mean-Reverted Advanced Plus Minus": -0.4, "# of Polls for Bias Analysis": 2, "Bias": "D +3.0", "House Effect": "D +0.5", "Average Distance from Polling Average (ADPA)": 12.8, "Herding Penalty": 0.0, "latest_poll": "3/12/16"}
{"rowid": 93, "Pollster": "Christopher Newport University", "Pollster Rating ID": 50, "# of Polls": 10, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.7", "Races Called Correctly": "100%", "Misses Outside MOE": "30%", "Simple Average Error": 5.9, "Simple Expected Error": 5.1, "Simple Plus-Minus": 1.0, "Advanced Plus-Minus": -0.4, "Mean-Reverted Advanced Plus Minus": -0.1, "# of Polls for Bias Analysis": 9, "Bias": "D +2.7", "House Effect": "D +2.1", "Average Distance from Polling Average (ADPA)": 5.4, "Herding Penalty": 0.0, "latest_poll": "2/14/20"}
{"rowid": 94, "Pollster": "Tarrance Group", "Pollster Rating ID": 333, "# of Polls": 28, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": "R +0.9", "Races Called Correctly": "82%", "Misses Outside MOE": "25%", "Simple Average Error": 6.2, "Simple Expected Error": 6.6, "Simple Plus-Minus": -0.2, "Advanced Plus-Minus": -0.1, "Mean-Reverted Advanced Plus Minus": 0.0, "# of Polls for Bias Analysis": 24, "Bias": "R +2.4", "House Effect": "R +6.0", "Average Distance from Polling Average (ADPA)": 7.2, "Herding Penalty": 0.0, "latest_poll": "10/21/18"}
{"rowid": 95, "Pollster": "Victory Research", "Pollster Rating ID": 437, "# of Polls": 2, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.0", "Races Called Correctly": "100%", "Misses Outside MOE": "0%", "Simple Average Error": 2.0, "Simple Expected Error": 5.9, "Simple Plus-Minus": -3.7, "Advanced Plus-Minus": -4.6, "Mean-Reverted Advanced Plus Minus": -0.4, "# of Polls for Bias Analysis": 1, "Bias": "D +0.3", "House Effect": null, "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0, "latest_poll": "3/8/20"}
{"rowid": 96, "Pollster": "SSRS", "Pollster Rating ID": 297, "# of Polls": 18, "NCPP / AAPOR / Roper": "yes", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": "D +1.2", "Races Called Correctly": "50%", "Misses Outside MOE": "22%", "Simple Average Error": 5.6, "Simple Expected Error": 5.3, "Simple Plus-Minus": 0.5, "Advanced Plus-Minus": 1.3, "Mean-Reverted Advanced Plus Minus": 0.6, "# of Polls for Bias Analysis": 16, "Bias": "D +2.9", "House Effect": "D +2.7", "Average Distance from Polling Average (ADPA)": 5.9, "Herding Penalty": 0.0, "latest_poll": "2/24/20"}
{"rowid": 97, "Pollster": "Orion Strategies", "Pollster Rating ID": 246, "# of Polls": 4, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes", "Methodology": "Live", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.1", "Races Called Correctly": "100%", "Misses Outside MOE": "25%", "Simple Average Error": 3.2, "Simple Expected Error": 6.6, "Simple Plus-Minus": -3.2, "Advanced Plus-Minus": -3.9, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 3, "Bias": "D +1.5", "House Effect": "D +6.5", "Average Distance from Polling Average (ADPA)": 2.7, "Herding Penalty": 0.35, "latest_poll": "10/12/10"}
{"rowid": 98, "Pollster": "CJ&N", "Pollster Rating ID": 63, "# of Polls": 4, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": 0.2, "538 Grade": "B/C", "Mean-Reverted Bias": "D +0.1", "Races Called Correctly": "100%", "Misses Outside MOE": "25%", "Simple Average Error": 3.5, "Simple Expected Error": 7.6, "Simple Plus-Minus": -3.9, "Advanced Plus-Minus": -3.3, "Mean-Reverted Advanced Plus Minus": -0.3, "# of Polls for Bias Analysis": 1, "Bias": "D +3.2", "House Effect": null, "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0, "latest_poll": "10/26/10"}
{"rowid": 99, "Pollster": "Marshall Marketing & Communications", "Pollster Rating ID": 196, "# of Polls": 4, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "yes*", "Methodology": "Live*", "Banned by 538": "no", "Predictive    Plus-Minus": 0.3, "538 Grade": "B/C", "Mean-Reverted Bias": "R +0.2", "Races Called Correctly": "100%", "Misses Outside MOE": "0%", "Simple Average Error": 3.4, "Simple Expected Error": 6.6, "Simple Plus-Minus": -3.1, "Advanced Plus-Minus": -1.9, "Mean-Reverted Advanced Plus Minus": -0.2, "# of Polls for Bias Analysis": 3, "Bias": "R +2.9", "House Effect": "R +1.2", "Average Distance from Polling Average (ADPA)": null, "Herding Penalty": 0.0, "latest_poll": "10/21/08"}
{"rowid": 100, "Pollster": "YouGov", "Pollster Rating ID": 391, "# of Polls": 416, "NCPP / AAPOR / Roper": "no", "Live Caller With Cellphones": "no", "Methodology": "Online", "Banned by 538": "no", "Predictive    Plus-Minus": 0.3, "538 Grade": "B", "Mean-Reverted Bias": "D +0.4", "Races Called Correctly": "88%", "Misses Outside MOE": "30%", "Simple Average Error": 4.9, "Simple Expected Error": 5.2, "Simple Plus-Minus": -0.1, "Advanced Plus-Minus": -0.2, "Mean-Reverted Advanced Plus Minus": -0.2, "# of Polls for Bias Analysis": 357, "Bias": "D +0.4", "House Effect": "D +0.2", "Average Distance from Polling Average (ADPA)": 4.6, "Herding Penalty": 0.0, "latest_poll": "3/7/20"}