pollster-ratings/2020/pollster-ratings: 153
| rowid | Pollster | Pollster Rating ID | # of Polls | NCPP / AAPOR / Roper | Live Caller With Cellphones | Methodology | Banned by 538 | 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 | # of Polls for Bias Analysis | Bias | House Effect | Average Distance from Polling Average (ADPA) | Herding Penalty | latest_poll |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 153 | GfK Group | 115 | 21 | yes | no | Online | no | 0.4 | B/C | D +0.2 | 88% | 19% | 3.9 | 5.0 | -0.9 | 0.1 | 0.0 | 21 | D +0.6 | D +1.3 | 4.6 | 0.22 | 10/22/16 |