pollster-ratings/2020/pollster-ratings: 198
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 198 | Zimmerman & Associates/Marketing Intelligence | 394 | 3 | no | yes* | Live* | no | 0.5 | B/C | D +0.2 | 100% | 0% | 4.7 | 6.0 | -1.1 | 0.0 | 0.0 | 3 | D +3.2 | D +0.7 | 2.2 | 0.72 | 10/18/08 |