pollster-ratings/2018/pollster-ratings: 27
| rowid | Pollster | # of Polls | NCPP / AAPOR / Roper | Exclusively 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 27 | MassINC Polling Group | 14 | no | yes | Live | no | -2.4 | -0.4 | A- | R +0.4 | 86% | 7% | 3.2 | 6.3 | -3.1 | -2.4 | -0.8 | -0.4 | 10 | R +1.7 | R +0.4 | R +0.9 |