pollster-ratings/2020/pollster-ratings: 108
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 108 | Dittman Research | 79 | 6 | no | yes | Live | no | 0.3 | B/C | D +0.5 | 100% | 33% | 5.4 | 5.9 | -0.3 | -0.8 | -0.1 | 5 | D +4.6 | R +1.0 | 9.1 | 0.0 | 10/26/10 |