pollster-ratings/2018/pollster-ratings: 36
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 36 | Mason-Dixon Polling & Research Inc. | 420 | no | yes | Live | no | -0.5 | -0.3 | B+ | R +0.7 | 86% | 20% | 5.2 | 5.5 | -0.2 | -0.5 | -0.5 | -0.3 | 363 | R +0.8 | R +0.7 | R +1.0 |