pollster-ratings/2018/pollster-ratings
Data license: CC Attribution 4.0 License · Data source: fivethirtyeight/data on GitHub · About: simonw/fivethirtyeight-datasette
396 rows sorted by # of Polls for Bias Analysis
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Suggested facets: NCPP / AAPOR / Roper, Exclusively Live Caller With Cellphones, Methodology, Banned by 538, 538 Grade, Mean-Reverted Advanced Plus Minus
Link | rowid | Pollster | # of Polls | NCPP / AAPOR / Roper | Exclusively Live Caller With Cellphones | Methodology | Banned by 538 | Historical Advanced Plus-Minus | Predictive Plus-Minus | 538 Grade | Mean-Reverted Bias | Races Called Correctly | Misses Outside MOE | Simple Average Error | Simple Expected Error | Simple Plus-Minus | Advanced Plus-Minus | Mean-Reverted Advanced Plus Minus | Predictive Plus-Minus | # of Polls for Bias Analysis ▼ | Bias | Mean-Reverted Bias.1 | House Effect |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
39 | 39 | Castleton University | 3 | yes | yes | Live | no | -1.2 | -0.3 | B+ | 100% | 0% | 9.9 | 9.7 | 0.3 | -1.2 | -0.1 | -0.3 | 0 | ||||
84 | 84 | Iowa State University | 3 | no | yes | Live | no | -3.5 | 0.1 | B | 67% | 33% | 6.3 | 8.9 | -2.6 | -3.5 | -0.3 | 0.1 | 0 | ||||
118 | 118 | University of Houston | 1 | no | yes | Live | no | -6.5 | 0.2 | B | 100% | 0% | 2.0 | 8.5 | -6.4 | -6.5 | -0.2 | 0.2 | 0 | ||||
121 | 121 | QEV Analytics | 1 | no | yes | Live | no | -2.0 | 0.2 | B | 0% | 0% | 7.3 | 5.8 | 1.5 | -2.0 | -0.1 | 0.2 | 0 | ||||
122 | 122 | Merrill Poll | 2 | no | yes | Live | no | -0.8 | 0.2 | B | 100% | 0% | 8.7 | 8.8 | -0.1 | -0.8 | 0.0 | 0.2 | 0 | ||||
131 | 131 | Dartmouth College | 2 | no | yes | Live | no | -0.4 | 0.3 | B- | 100% | 50% | 9.0 | 8.1 | 0.9 | -0.4 | 0.0 | 0.3 | 0 | ||||
133 | 133 | Baruch College | 2 | no | yes | Live | no | -0.2 | 0.3 | B- | 100% | 0% | 5.7 | 8.4 | -2.7 | -0.2 | 0.0 | 0.3 | 0 | ||||
146 | 146 | University of Nevada Las Vegas | 1 | no | yes | Live | no | 0.7 | 0.3 | B- | 100% | 0% | 9.0 | 8.2 | 0.8 | 0.7 | 0.0 | 0.3 | 0 | ||||
168 | 168 | Overtime Politics | 12 | no | yes | Live | yes | 0.7 | 0.4 | F | 67% | 42% | 9.8 | 8.4 | 1.5 | 0.7 | 0.2 | 0.4 | 0 | ||||
182 | 182 | Alabama State University | 4 | no | no | Live* | no | -3.4 | 0.5 | B- | 50% | 0% | 6.4 | 8.4 | -2.0 | -3.4 | -0.4 | 0.5 | 0 | ||||
185 | 185 | IVR Polls | 4 | no | no | IVR | no | -2.2 | 0.5 | B- | 100% | 25% | 4.1 | 7.9 | -3.8 | -2.2 | -0.3 | 0.5 | 0 | ||||
202 | 202 | Personal Marketing Research | 3 | no | no | Live* | no | -2.3 | 0.5 | B- | 67% | 33% | 6.2 | 8.3 | -2.2 | -2.3 | -0.2 | 0.5 | 0 | ||||
215 | 215 | Master Image | 2 | no | no | IVR | no | -4.1 | 0.6 | C+ | 100% | 0% | 1.2 | 7.7 | -6.6 | -4.1 | -0.3 | 0.6 | 0 | ||||
217 | 217 | Douglas Fulmer & Associates | 2 | no | no | IVR/Live | no | -2.9 | 0.6 | C+ | 100% | 50% | 5.1 | 8.2 | -3.1 | -2.9 | -0.2 | 0.6 | 0 | ||||
221 | 221 | Public Opinion Strategies/Hamilton Campaigns (Texas Credit Union League) | 2 | no | no | Live* | no | -1.9 | 0.6 | C+ | 100% | 0% | 7.0 | 8.8 | -1.8 | -1.9 | -0.1 | 0.6 | 0 | ||||
233 | 233 | Canisius College | 1 | no | no | Live* | no | -5.8 | 0.7 | C+ | 100% | 0% | 0.1 | 8.5 | -8.3 | -5.8 | -0.2 | 0.7 | 0 | ||||
248 | 248 | New Mexico State University | 1 | no | no | Live* | no | -2.7 | 0.7 | C+ | 0% | 0% | 6.8 | 9.2 | -2.4 | -2.7 | -0.1 | 0.7 | 0 | ||||
261 | 261 | War Room Logistics | 1 | no | no | IVR | no | -1.6 | 0.7 | C+ | 100% | 0% | 4.5 | 7.4 | -2.9 | -1.6 | -0.1 | 0.7 | 0 | ||||
286 | 286 | Liberty Opinion Research | 1 | no | no | IVR | no | 0.4 | 0.7 | C+ | 100% | 100% | 5.7 | 7.5 | -1.8 | 0.4 | 0.0 | 0.7 | 0 | ||||
296 | 296 | ResearchNow | 2 | no | no | Online | no | 0.7 | 0.8 | C+ | 100% | 50% | 9.4 | 8.3 | 1.1 | 0.7 | 0.0 | 0.8 | 0 | ||||
299 | 299 | R.L. Repass & Partners | 1 | no | no | Online/Live | no | 1.1 | 0.8 | C+ | 100% | 100% | 11.2 | 8.7 | 2.4 | 1.1 | 0.0 | 0.8 | 0 | ||||
300 | 300 | Research America Inc. | 2 | no | yes | Live | no | 8.0 | 0.8 | C+ | 100% | 50% | 20.7 | 8.1 | 12.6 | 8.0 | 0.5 | 0.8 | 0 | ||||
302 | 302 | TeleResearch Corporation | 1 | no | no | IVR | no | 2.1 | 0.8 | C+ | 100% | 100% | 8.6 | 7.8 | 0.8 | 2.1 | 0.1 | 0.8 | 0 | ||||
305 | 305 | Public Strategies Inc. | 6 | no | no | Live* | no | 0.7 | 0.8 | C+ | 100% | 33% | 7.9 | 8.1 | -0.2 | 0.7 | 0.1 | 0.8 | 0 | ||||
313 | 313 | Ron Lester and Associates | 1 | no | no | Live* | no | 3.1 | 0.8 | C | 100% | 100% | 18.9 | 7.9 | 11.0 | 3.1 | 0.1 | 0.8 | 0 | ||||
324 | 324 | New Frontier Strategy | 1 | no | no | IVR | no | 4.0 | 0.9 | C | 0% | 100% | 21.6 | 7.9 | 13.8 | 4.0 | 0.1 | 0.9 | 0 | ||||
331 | 331 | Target Insyght | 1 | no | no | IVR | no | 4.8 | 0.9 | C | 100% | 100% | 15.4 | 8.5 | 6.9 | 4.8 | 0.2 | 0.9 | 0 | ||||
339 | 339 | GCR & Associates | 1 | no | no | IVR | no | 5.9 | 0.9 | C | 100% | 100% | 18.3 | 8.4 | 10.0 | 5.9 | 0.2 | 0.9 | 0 | ||||
357 | 357 | Schapiro Group | 2 | no | no | Live* | no | 4.9 | 1.0 | C | 100% | 50% | 20.0 | 8.3 | 11.7 | 4.9 | 0.3 | 1.0 | 0 | ||||
361 | 361 | TargetPoint | 3 | no | no | IVR/Live | no | 3.8 | 1.0 | C | 83% | 67% | 14.0 | 8.0 | 6.0 | 3.8 | 0.3 | 1.0 | 0 | ||||
373 | 373 | Indiana University-Purdue University Fort Wayne | 3 | no | yes | Live | no | 10.0 | 1.2 | C- | 0% | 100% | 23.5 | 8.5 | 15.0 | 10.0 | 0.9 | 1.2 | 0 | ||||
383 | 383 | CPEC LLC | 3 | no | no | IVR | no | 7.5 | 1.4 | C- | 100% | 100% | 16.2 | 7.8 | 8.4 | 7.5 | 0.7 | 1.4 | 0 | ||||
51 | 51 | Winthrop University | 1 | yes | yes | Live | no | -3.9 | -0.2 | B+ | D +0.0 | 100% | 0% | 0.2 | 4.2 | -4.0 | -3.9 | -0.1 | -0.2 | 1 | D +0.2 | D +0.0 | R +0.9 |
52 | 52 | University of Florida | 1 | yes | yes | Live | no | -2.0 | -0.2 | B+ | D +0.0 | 50% | 0% | 1.1 | 4.9 | -3.8 | -2.0 | -0.1 | -0.2 | 1 | D +1.1 | D +0.0 | R +0.9 |
73 | 73 | Clemson University | 5 | no | yes | Live | no | -1.8 | 0.0 | B | R +0.5 | 100% | 40% | 10.3 | 7.7 | 2.6 | -1.8 | -0.3 | 0.0 | 1 | R +16.7 | R +0.5 | R +9.7 |
95 | 95 | McKeon & Associates | 2 | no | yes | Live | no | -6.5 | 0.2 | B | R +0.0 | 100% | 0% | 0.9 | 6.5 | -5.5 | -6.5 | -0.4 | 0.2 | 1 | R +0.9 | R +0.0 | R +2.0 |
96 | 96 | RBI Strategies & Research | 2 | no | yes | Live | no | -6.4 | 0.2 | B | R +0.0 | 100% | 0% | 0.7 | 5.4 | -4.6 | -6.4 | -0.4 | 0.2 | 1 | R +0.7 | R +0.0 | D +3.5 |
97 | 97 | Frederick Polls | 2 | no | yes | Live | no | -5.0 | 0.2 | B | R +0.0 | 75% | 0% | 2.4 | 6.4 | -4.0 | -5.0 | -0.3 | 0.2 | 1 | R +0.6 | R +0.0 | D +3.0 |
119 | 119 | Florida International University/Univision | 1 | no | yes | Live | no | -6.1 | 0.2 | B | D +0.1 | 100% | 0% | 1.8 | 6.4 | -4.5 | -6.1 | -0.2 | 0.2 | 1 | D +1.8 | D +0.1 | R +13.0 |
120 | 120 | Starboard Communications | 1 | no | yes | Live | no | -4.9 | 0.2 | B | D +0.1 | 100% | 0% | 3.3 | 4.2 | -0.9 | -4.9 | -0.2 | 0.2 | 1 | D +3.3 | D +0.1 | R +7.3 |
125 | 125 | Probolsky Research | 1 | no | yes | Live | no | -1.7 | 0.3 | B | R +0.2 | 0% | 0% | 4.9 | 5.6 | -0.8 | -1.7 | -0.1 | 0.3 | 1 | R +4.9 | R +0.2 | |
128 | 128 | Meeting Street Research | 1 | no | yes | Live | no | -1.4 | 0.3 | B- | D +0.1 | 100% | 0% | 2.7 | 6.2 | -3.5 | -1.4 | 0.0 | 0.3 | 1 | D +2.7 | D +0.1 | D +5.3 |
132 | 132 | Old Dominion University | 1 | no | yes | Live | no | -0.9 | 0.3 | B- | D +0.1 | 100% | 0% | 4.5 | 5.4 | -0.9 | -0.9 | 0.0 | 0.3 | 1 | D +4.5 | D +0.1 | R +0.8 |
134 | 134 | Schoen Consulting | 1 | no | yes | Live | no | -0.8 | 0.3 | B- | R +0.1 | 100% | 0% | 2.3 | 5.1 | -2.9 | -0.8 | 0.0 | 0.3 | 1 | R +2.3 | R +0.1 | R +1.8 |
135 | 135 | Centre College | 1 | no | yes | Live | no | -0.7 | 0.3 | B- | D +0.1 | 100% | 0% | 3.9 | 4.9 | -1.0 | -0.7 | 0.0 | 0.3 | 1 | D +3.9 | D +0.1 | D +2.3 |
144 | 144 | Basswood Research | 2 | no | yes | Live | no | 0.6 | 0.3 | B- | R +0.4 | 100% | 50% | 10.7 | 7.6 | 3.1 | 0.6 | 0.0 | 0.3 | 1 | R +13.1 | R +0.4 | |
148 | 148 | Victoria Research & Consulting | 1 | no | yes | Live | no | 0.8 | 0.3 | B- | D +0.3 | 50% | 0% | 8.1 | 6.2 | 1.9 | 0.8 | 0.0 | 0.3 | 1 | D +8.1 | D +0.3 | |
154 | 154 | Hoffman Research Group | 1 | no | yes | Live | no | 1.6 | 0.4 | B- | R +0.2 | 100% | 0% | 7.1 | 4.4 | 2.7 | 1.6 | 0.1 | 0.4 | 1 | R +7.1 | R +0.2 | R +0.4 |
158 | 158 | Val Smith | 1 | no | yes | Live | no | 2.1 | 0.4 | B- | R +0.3 | 100% | 0% | 8.5 | 6.1 | 2.4 | 2.1 | 0.1 | 0.4 | 1 | R +8.5 | R +0.3 | R +15.0 |
166 | 166 | Crawford Johnson & Northcott Inc. | 5 | no | no | Live* | no | -3.1 | 0.4 | B- | D +0.1 | 100% | 20% | 4.7 | 7.7 | -3.0 | -3.1 | -0.4 | 0.4 | 1 | D +3.3 | D +0.1 | |
170 | 170 | Feldman Group | 1 | no | yes | Live | no | 3.6 | 0.4 | B- | D +0.3 | 0% | 100% | 10.8 | 5.8 | 5.0 | 3.6 | 0.1 | 0.4 | 1 | D +10.8 | D +0.3 | |
189 | 189 | Glover Park Group | 1 | no | yes | Live | no | 5.3 | 0.5 | B- | R +0.4 | 0% | 100% | 11.4 | 6.6 | 4.8 | 5.3 | 0.2 | 0.5 | 1 | R +11.4 | R +0.4 | R +11.5 |
198 | 198 | University of Illinois at Chicago | 1 | yes | no | Live* | no | 6.6 | 0.5 | B- | R +0.5 | 100% | 100% | 14.1 | 5.7 | 8.4 | 6.6 | 0.2 | 0.5 | 1 | R +14.1 | R +0.5 | R +5.1 |
207 | 207 | Lauer Johnson Research | 1 | no | yes | Live | no | 7.5 | 0.5 | C+ | D +0.4 | 0% | 100% | 13.8 | 6.0 | 7.9 | 7.5 | 0.2 | 0.5 | 1 | D +13.8 | D +0.4 | D +17.0 |
227 | 227 | OH Predictive Insights/MBQF | 2 | no | no | IVR | no | -1.4 | 0.6 | C+ | R +0.2 | 100% | 0% | 4.8 | 7.0 | -2.1 | -1.4 | -0.1 | 0.6 | 1 | R +5.3 | R +0.2 | R +8.3 |
232 | 232 | RMS Research | 1 | no | no | Live* | no | -6.1 | 0.7 | C+ | R +0.0 | 100% | 0% | 0.9 | 6.4 | -5.5 | -6.1 | -0.2 | 0.7 | 1 | R +0.9 | R +0.0 | |
234 | 234 | University of Tennessee | 1 | no | no | Live* | no | -5.3 | 0.7 | C+ | R +0.1 | 100% | 0% | 2.7 | 4.8 | -2.0 | -5.3 | -0.2 | 0.7 | 1 | R +2.7 | R +0.1 | R +5.4 |
235 | 235 | Market Strategies International | 1 | no | no | Live* | no | -4.7 | 0.7 | C+ | R +0.0 | 100% | 0% | 1.1 | 5.6 | -4.5 | -4.7 | -0.2 | 0.7 | 1 | R +1.1 | R +0.0 | R +4.6 |
236 | 236 | Dynamic Marketing Inc. | 1 | no | no | Live* | no | -4.4 | 0.7 | C+ | D +0.1 | 100% | 0% | 3.0 | 6.2 | -3.2 | -4.4 | -0.1 | 0.7 | 1 | D +3.0 | D +0.1 | R +7.5 |
237 | 237 | Cooper & Secrest | 1 | no | no | Live* | no | -4.0 | 0.7 | C+ | R +0.1 | 0% | 0% | 2.6 | 6.2 | -3.6 | -4.0 | -0.1 | 0.7 | 1 | R +2.6 | R +0.1 | |
238 | 238 | Lauer Lalley Victoria Inc. | 1 | no | no | Live* | no | -3.9 | 0.7 | C+ | R +0.1 | 100% | 0% | 1.7 | 6.4 | -4.6 | -3.9 | -0.1 | 0.7 | 1 | R +1.7 | R +0.1 | D +4.0 |
239 | 239 | Cranford & Associates | 1 | no | no | Online | no | -3.9 | 0.7 | C+ | D +0.1 | 100% | 0% | 2.5 | 5.4 | -3.0 | -3.9 | -0.1 | 0.7 | 1 | D +2.5 | D +0.1 | D +9.5 |
240 | 240 | Wood Communications Group | 1 | no | no | Live* | no | -3.7 | 0.7 | C+ | D +0.0 | 100% | 0% | 0.8 | 5.6 | -4.8 | -3.7 | -0.1 | 0.7 | 1 | D +0.8 | D +0.0 | D +3.0 |
241 | 241 | BIGresearch | 1 | no | no | Online | no | -3.5 | 0.7 | C+ | D +0.1 | 100% | 0% | 2.0 | 4.3 | -2.3 | -3.5 | -0.1 | 0.7 | 1 | D +2.0 | D +0.1 | D +7.5 |
242 | 242 | Aspen Media & Market Research | 1 | no | no | Live* | no | -3.1 | 0.7 | C+ | R +0.1 | 100% | 0% | 3.5 | 5.9 | -2.4 | -3.1 | -0.1 | 0.7 | 1 | R +3.5 | R +0.1 | |
243 | 243 | Central Surveys Inc. | 1 | no | no | Live* | no | -3.1 | 0.7 | C+ | D +0.1 | 0% | 0% | 1.7 | 4.9 | -3.2 | -3.1 | -0.1 | 0.7 | 1 | D +1.7 | D +0.1 | D +2.3 |
244 | 244 | University of North Carolina | 1 | no | no | Live* | no | -3.0 | 0.7 | C+ | D +0.1 | 100% | 0% | 1.6 | 5.3 | -3.7 | -3.0 | -0.1 | 0.7 | 1 | D +1.6 | D +0.1 | R +1.3 |
245 | 245 | Revily | 1 | no | no | IVR | no | -2.9 | 0.7 | C+ | R +0.0 | 100% | 0% | 0.5 | 5.6 | -5.1 | -2.9 | -0.1 | 0.7 | 1 | R +0.5 | R +0.0 | D +1.7 |
246 | 246 | Singularis Group | 1 | no | no | IVR | no | -2.9 | 0.7 | C+ | R +0.0 | 100% | 0% | 0.8 | 5.0 | -4.2 | -2.9 | -0.1 | 0.7 | 1 | R +0.8 | R +0.0 | D +2.0 |
247 | 247 | Red Sea Communications | 1 | no | no | Live* | no | -2.8 | 0.7 | C+ | R +0.1 | 100% | 0% | 4.4 | 6.5 | -2.1 | -2.8 | -0.1 | 0.7 | 1 | R +4.4 | R +0.1 | |
249 | 249 | Winston Group | 1 | no | no | Live* | no | -2.5 | 0.7 | C+ | D +0.2 | 100% | 0% | 6.3 | 6.4 | 0.0 | -2.5 | -0.1 | 0.7 | 1 | D +6.3 | D +0.2 | R +8.0 |
250 | 250 | Diversified Research Inc | 1 | no | no | Live* | no | -2.5 | 0.7 | C+ | R +0.2 | 100% | 0% | 5.0 | 6.8 | -1.8 | -2.5 | -0.1 | 0.7 | 1 | R +5.0 | R +0.2 | |
251 | 251 | DCCC Targeting Team | 1 | no | no | IVR | no | -2.4 | 0.7 | C+ | D +0.1 | 100% | 0% | 4.5 | 6.2 | -1.7 | -2.4 | -0.1 | 0.7 | 1 | D +4.5 | D +0.1 | |
252 | 252 | Rivercity Polling | 1 | no | no | IVR | no | -2.3 | 0.7 | C+ | R +0.2 | 100% | 0% | 6.7 | 6.9 | -0.2 | -2.3 | -0.1 | 0.7 | 1 | R +6.7 | R +0.2 | R +11.5 |
253 | 253 | CSP Polling | 1 | no | no | Online | yes | -2.3 | 0.7 | F | D +0.1 | 100% | 0% | 2.6 | 5.2 | -2.6 | -2.3 | -0.1 | 0.7 | 1 | D +2.6 | D +0.1 | R +2.6 |
254 | 254 | Diamond State Consulting Group | 1 | no | no | IVR | no | -2.2 | 0.7 | C+ | D +0.1 | 100% | 0% | 4.2 | 5.5 | -1.3 | -2.2 | -0.1 | 0.7 | 1 | D +4.2 | D +0.1 | R +5.0 |
255 | 255 | Neighborhood Research Corporation | 1 | no | no | Live* | no | -2.1 | 0.7 | C+ | R +0.1 | 100% | 0% | 3.4 | 5.7 | -2.3 | -2.1 | -0.1 | 0.7 | 1 | R +3.4 | R +0.1 | R +7.2 |
256 | 256 | Constituent Dynamics | 7 | no | no | IVR | no | 0.0 | 0.7 | C+ | R +0.0 | 86% | 57% | 7.4 | 7.3 | 0.0 | 0.0 | 0.0 | 0.7 | 1 | R +1.3 | R +0.0 | D +2.3 |
260 | 260 | NRECA Market Research | 1 | no | no | Live* | no | -1.7 | 0.7 | C+ | D +0.2 | 100% | 0% | 6.3 | 5.7 | 0.6 | -1.7 | -0.1 | 0.7 | 1 | D +6.3 | D +0.2 | |
263 | 263 | Triumph Campaigns | 1 | no | no | IVR | no | -1.5 | 0.7 | C+ | R +0.1 | 100% | 0% | 4.2 | 4.9 | -0.6 | -1.5 | 0.0 | 0.7 | 1 | R +4.2 | R +0.1 | R +5.0 |
264 | 264 | Forman Center | 1 | no | no | Live* | no | -1.4 | 0.7 | C+ | D +0.1 | 100% | 0% | 2.6 | 5.4 | -2.8 | -1.4 | 0.0 | 0.7 | 1 | D +2.6 | D +0.1 | D +4.3 |
266 | 266 | Iona College | 1 | no | no | IVR | no | -1.2 | 0.7 | C+ | D +0.1 | 100% | 0% | 4.4 | 5.6 | -1.2 | -1.2 | 0.0 | 0.7 | 1 | D +4.4 | D +0.1 | R +1.7 |
267 | 267 | Analytical Group | 1 | no | no | Live* | no | -1.1 | 0.7 | C+ | D +0.1 | 100% | 0% | 4.0 | 5.2 | -1.2 | -1.1 | 0.0 | 0.7 | 1 | D +4.0 | D +0.1 | D +3.0 |
270 | 270 | Ohio State University | 1 | no | no | Live* | no | -1.0 | 0.7 | C+ | R +0.1 | 100% | 0% | 3.7 | 4.9 | -1.2 | -1.0 | 0.0 | 0.7 | 1 | R +3.7 | R +0.1 | R +7.3 |
271 | 271 | Wick Communications | 1 | no | no | Live* | no | -0.9 | 0.7 | C+ | D +0.1 | 100% | 0% | 2.8 | 6.0 | -3.2 | -0.9 | 0.0 | 0.7 | 1 | D +2.8 | D +0.1 | D +4.0 |
275 | 275 | Market Trends Pacific | 1 | no | no | Live* | no | -0.8 | 0.7 | C+ | D +0.1 | 50% | 0% | 4.6 | 5.5 | -0.9 | -0.8 | 0.0 | 0.7 | 1 | D +4.6 | D +0.1 | D +2.5 |
277 | 277 | ASA Marketing Group | 1 | no | no | Live* | no | -0.7 | 0.7 | C+ | D +0.2 | 100% | 0% | 5.5 | 5.1 | 0.5 | -0.7 | 0.0 | 0.7 | 1 | D +5.5 | D +0.2 | |
279 | 279 | University of Iowa | 3 | no | yes | Live | no | 4.8 | 0.7 | C+ | R +0.2 | 67% | 33% | 15.9 | 7.2 | 8.7 | 4.8 | 0.4 | 0.7 | 1 | R +6.6 | R +0.2 | R +2.8 |
285 | 285 | Cromer Group | 1 | no | no | Live* | no | 0.3 | 0.7 | C+ | R +0.1 | 100% | 0% | 3.9 | 5.5 | -1.6 | 0.3 | 0.0 | 0.7 | 1 | R +3.9 | R +0.1 | R +3.8 |
289 | 289 | Rossman Group | 1 | no | no | IVR | no | 0.5 | 0.7 | C+ | D +0.1 | 100% | 0% | 4.2 | 6.0 | -1.7 | 0.5 | 0.0 | 0.7 | 1 | D +4.2 | D +0.1 | D +4.7 |
290 | 290 | Strategic Services | 1 | no | no | Live* | no | 0.5 | 0.7 | C+ | D +0.2 | 0% | 0% | 5.5 | 5.8 | -0.3 | 0.5 | 0.0 | 0.7 | 1 | D +5.5 | D +0.2 | D +2.0 |
298 | 298 | Harvard University | 1 | no | no | Live* | no | 1.0 | 0.8 | C+ | D +0.2 | 0% | 0% | 6.9 | 5.7 | 1.2 | 1.0 | 0.0 | 0.8 | 1 | D +6.9 | D +0.2 | D +1.5 |
307 | 307 | IMGE Insights | 1 | no | no | IVR/Live | no | 2.6 | 0.8 | C+ | R +0.3 | 100% | 100% | 7.9 | 4.5 | 3.4 | 2.6 | 0.1 | 0.8 | 1 | R +7.9 | R +0.3 | R +2.3 |
308 | 308 | University of Georgia | 1 | no | no | Live* | no | 2.6 | 0.8 | C+ | R +0.3 | 100% | 100% | 9.8 | 6.0 | 3.8 | 2.6 | 0.1 | 0.8 | 1 | R +9.8 | R +0.3 | R +0.8 |
311 | 311 | Great Lakes Strategies Group | 1 | no | no | IVR | no | 2.9 | 0.8 | C+ | R +0.2 | 0% | 100% | 7.6 | 5.1 | 2.5 | 2.9 | 0.1 | 0.8 | 1 | R +7.6 | R +0.2 | R +10.0 |
312 | 312 | A&A Research | 1 | no | no | Live* | no | 3.1 | 0.8 | C | R +0.3 | 0% | 100% | 10.1 | 5.9 | 4.2 | 3.1 | 0.1 | 0.8 | 1 | R +10.1 | R +0.3 | |
317 | 317 | RABA Research | 2 | no | no | IVR/Online/Live | no | 2.0 | 0.8 | C | D +0.2 | 100% | 50% | 5.3 | 5.6 | -0.3 | 2.0 | 0.1 | 0.8 | 1 | D +6.9 | D +0.2 | D +2.0 |
319 | 319 | Southern Opinion Research | 1 | no | no | Live* | no | 3.7 | 0.8 | C | D +0.3 | 100% | 100% | 9.4 | 5.5 | 3.9 | 3.7 | 0.1 | 0.8 | 1 | D +9.4 | D +0.3 | D +13.0 |
322 | 322 | Strategy Research | 1 | no | no | IVR | no | 3.9 | 0.9 | C | R +0.3 | 0% | 100% | 8.6 | 4.3 | 4.4 | 3.9 | 0.1 | 0.9 | 1 | R +8.6 | R +0.3 | R +4.7 |
323 | 323 | Tulsa Surveys | 1 | no | no | Live* | no | 4.0 | 0.9 | C | R +0.4 | 100% | 100% | 11.9 | 5.4 | 6.5 | 4.0 | 0.1 | 0.9 | 1 | R +11.9 | R +0.4 |
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CREATE TABLE "pollster-ratings/2018/pollster-ratings" ( "Pollster" TEXT, "# of Polls" INTEGER, "NCPP / AAPOR / Roper" TEXT, "Exclusively Live Caller With Cellphones" TEXT, "Methodology" TEXT, "Banned by 538" TEXT, "Historical Advanced Plus-Minus" REAL, "Predictive Plus-Minus" REAL, "538 Grade" TEXT, "Mean-Reverted Bias" TEXT, "Races Called Correctly" TEXT, "Misses Outside MOE" TEXT, "Simple Average Error" REAL, "Simple Expected Error" REAL, "Simple Plus-Minus" REAL, "Advanced Plus-Minus" REAL, "Mean-Reverted Advanced Plus Minus" REAL, "Predictive Plus-Minus" REAL, "# of Polls for Bias Analysis" INTEGER, "Bias" TEXT, "Mean-Reverted Bias.1" TEXT, "House Effect" TEXT );