pollster-ratings/2020/pollster-ratings: 50
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 | Mason-Dixon Polling & Strategy | 197 | 433 | no | yes | Live | no | -0.3 | B+ | R +0.6 | 87% | 23% | 5.1 | 5.7 | -0.4 | -0.6 | -0.6 | 376 | R +0.7 | R +1.2 | 5.1 | 0.09 | 11/6/19 |