pollster-ratings/2020/pollster-ratings: 99
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 99 | Marshall Marketing & Communications | 196 | 4 | no | yes* | Live* | no | 0.3 | B/C | R +0.2 | 100% | 0% | 3.4 | 6.6 | -3.1 | -1.9 | -0.2 | 3 | R +2.9 | R +1.2 | 0.0 | 10/21/08 |