pollster-ratings/2019/pollster-ratings: 23
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 23 | MassINC Polling Group | 198 | 16 | no | yes | Live | no | -2.2 | -0.6 | A/B° | R +0.8 | 88% | 13% | 3.5 | 6.5 | -2.8 | -2.2 | -0.9 | -0.6 | 12 | R +2.4 | R +0.8 | R +1.4 | 6.1 | 0.06 |