pollster-ratings/2018/pollster-ratings: 26
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 26 | RKM Research and Communications Inc. | 28 | no | yes | Live | no | -1.3 | -0.4 | A- | R +0.2 | 88% | 18% | 5.3 | 6.2 | -0.9 | -1.3 | -0.6 | -0.4 | 20 | R +0.5 | R +0.2 | R +1.5 |