pollster-ratings/2018/pollster-ratings: 64
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 64 | Harstad Strategic Research Inc. | 9 | no | yes | Live | no | -1.3 | -0.1 | B+ | D +0.8 | 72% | 11% | 3.8 | 5.8 | -2.0 | -1.3 | -0.3 | -0.1 | 9 | D +3.4 | D +0.8 | D +3.1 |