pollster-ratings/2020/pollster-ratings: 37
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 37 | Gordon S. Black Corp. | 123 | 2 | yes | yes* | Live* | no | -0.4 | A/B | R +0.1 | 100% | 50% | 6.4 | 4.4 | 2.1 | 0.5 | 0.0 | 2 | R +6.4 | R +1.3 | 6.0 | 0.0 | 10/18/98 |