pollster-ratings/2020/pollster-ratings: 121
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 121 | Research Co. | 449 | 21 | no | no | Online | no | 0.3 | B- | R +0.5 | 88% | 14% | 4.1 | 5.9 | -1.7 | -1.9 | -1.0 | 20 | R +1.1 | D +0.8 | 3.9 | 1.05 | 11/2/18 |