pollster-ratings/2020/pollster-ratings: 104
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 104 | Potomac Incorporated | 256 | 8 | no | yes* | Live* | no | 0.3 | B/C | R +0.3 | 88% | 13% | 4.6 | 6.2 | -1.4 | -1.4 | -0.2 | 6 | R +3.1 | D +1.3 | 4.5 | 0.35 | 10/29/06 |