pollster-ratings/2020/pollster-ratings: 52
| rowid | Pollster | Pollster Rating ID | # of Polls | NCPP / AAPOR / Roper | Live Caller With Cellphones | Methodology | Banned by 538 | 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 | # of Polls for Bias Analysis | Bias | House Effect | Average Distance from Polling Average (ADPA) | Herding Penalty | latest_poll |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 52 | Research & Polling Inc. | 280 | 32 | no | yes | Live | no | -0.2 | B+ | R +0.9 | 84% | 9% | 4.5 | 6.0 | -1.2 | -1.5 | -0.7 | 31 | R +1.8 | R +0.5 | 3.2 | 0.56 | 10/29/18 |