rowid,ID,Pollster,Polls,Live Caller With Cellphones,Internet,NCPP/AAPOR/Roper,Polls.1,Simple Average Error,Races Called Correctly,Advanced Plus-Minus,Predictive Plus-Minus,538 Grade,Banned by 538,Mean-Reverted Bias
36,36,University of North Florida,4,yes,no,yes,2,4.490001,0.5,-0.9633091,-0.2763063,B+,no,0.31625
37,37,University of New Hampshire,93,yes,no,yes,77,5.252903,0.8763441,-0.1389312,-0.2622139,B+,no,1.658318
38,38,High Point University,2,yes,no,yes,2,0.9499989,1.0,-5.644591,-0.2609375,B+,no,0.005625
39,39,Indiana University,2,yes,no,yes,2,0.8549995,1.0,-4.171918,-0.2609375,B+,no,0.0534375
40,40,GfK Group,19,no,yes,yes,19,3.398947,0.9210526,-1.114287,-0.2479431,B+,no,-0.0914286
41,41,Castleton University,3,yes,no,yes,0,9.933333,1.0,-1.000844,-0.241399,B+,no,
42,42,Lake Research Partners,9,yes,no,no,9,3.845555,0.8333333,-2.325385,-0.2354438,B+,no,0.4976923
43,43,Princeton Survey Research Associates International,32,yes,no,yes,31,4.63125,0.6875,0.0001773,-0.2281083,B+,no,0.2577049
44,44,Garin-Hart-Yang Research Group,22,yes,no,no,22,5.312727,0.8636364,-0.8991593,-0.2032834,B+,no,1.289231
45,45,Franklin & Marshall College,18,yes,no,yes,15,5.743888,0.9444444,0.0993153,-0.1940068,B+,no,-0.3782222
46,46,"RKM Research and Communications, Inc.",26,yes,no,no,18,5.593077,0.8653846,-0.7785377,-0.1913619,B+,no,-0.20625
47,47,University of South Alabama,8,yes,no,no,8,2.75125,1.0,-3.00668,-0.1882548,B+,no,-0.4060526
48,48,University of Florida,1,yes,no,yes,1,1.07,0.5,-2.230408,-0.1837669,B+,no,0.0345161
49,49,"Mason-Dixon Polling & Research, Inc.",415,yes,no,no,355,5.212409,0.8614458,-0.3800204,-0.1782705,B+,no,-0.9653247
50,50,Pew Research Center,20,yes,no,yes,20,3.4155,0.575,0.145644,-0.1745424,B+,no,0.5542
51,51,"National Research, Inc.",8,yes,no,no,6,5.0575,0.8125,-1.922492,-0.1719374,B+,no,-0.4511111
52,52,Market Shares Corp.,26,yes,no,yes,22,6.78423,0.8461539,0.1869822,-0.1458399,B+,no,-1.730577
53,53,Fleming & Associates,15,yes,no,no,13,5.078,1.0,-1.01001,-0.1400032,B+,no,-0.2902325
54,54,Market Research Insight,7,yes,no,no,5,1.784285,1.0,-4.398869,-0.1381958,B+,no,0.1891429
55,55,Montana State University Billings,7,yes,no,no,7,3.607142,0.5714286,-3.66488,-0.1381958,B+,no,0.5591892
56,56,Riley Research Associates,7,yes,no,no,7,2.657143,1.0,-2.378693,-0.1381958,B+,no,-0.1189189
57,57,Vanderbilt University,1,yes,no,yes,0,8.9,1.0,0.4947172,-0.1032922,B+,no,
58,58,Elon University,4,yes,no,yes,4,3.960001,0.5,0.7268667,-0.0774621,B+,no,0.3794118
59,59,RT Strategies,42,yes,no,yes,42,5.762381,0.7142857,0.2686314,-0.059965,B+,no,1.091944
60,60,Public Policy Polling,383,no,no,no,263,4.918433,0.8237598,-0.496451,-0.054239,B+,no,-0.2037543
61,61,Greenberg Quinlan Rosner/American Viewpoint,5,yes,no,no,4,4.444001,1.0,-2.78075,-0.0283673,B+,no,-0.5597059
62,62,Ward Research (Honolulu Star-Advertiser),14,yes,no,no,14,6.003572,0.75,-0.7039244,-0.0234388,B+,no,-0.5524999
63,63,"Harstad Strategic Research, Inc.",9,yes,no,no,9,3.806667,0.7222222,-1.039461,-0.0137811,B+,no,0.7753847
64,64,Temple University,6,no,no,yes,5,3.66,1.0,-1.505706,-0.0026177,B+,no,-0.3531428
65,65,Suffolk University,67,yes,no,no,36,5.202538,0.8208955,-0.2230502,-0.0007645,B+,no,0.7319697
66,66,Pan Atlantic SMS Group,17,yes,no,no,15,6.778235,0.9117647,-0.5243747,0.0001968,B+,no,0.9171111