pollster-ratings/2019/pollster-ratings: 88
| rowid | Pollster | Pollster Rating ID | # of Polls | NCPP / AAPOR / Roper | Live Caller With Cellphones | Methodology | Banned by 538 | Historical Advanced Plus-Minus | 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 | Predictive Plus-Minus | # of Polls for Bias Analysis | Bias | Mean-Reverted Bias.1 | House Effect | Average Distance from Polling Average (ADPA) | Herding Penalty |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 88 | Research Co. | 449 | 20 | no | no | Online | no | -2.3 | 0.2 | B | R +0.6 | 88% | 10% | 3.8 | 6.0 | -2.1 | -2.3 | -1.2 | 0.2 | 20 | R +1.1 | R +0.6 | D +0.8 | 3.7 | 1.17 |