University of Nevada, Las Vegas Lee Business School
Historical accuracy is measured against certified results. Current-cycle records come from the canonical, deduplicated archive and do not by themselves change the sealed forecast.
- Historical polls
- 5
- Mean absolute error
- 3.20percentage points
- Historical bias
- D+0.24
- Represented cycles
- 12020
- Current archive
- 0canonical records
- History span
- Oct 20, 2020through Jan 1, 2021
Known names and relationships
- Known aliases
- No additional reviewed aliases
- Organization type
- Single canonical organization
- Cycles represented
- 2020
5 eligible historical polls is a limited denominator; both MAE and bias may move materially as another cycle is added.
Current-cycle records
Archive source date 2026-09-09 · bundled copy. Archive records may be newer than the sealed forecast; inclusion here does not mean the forecast uses them.
0 shown · 0 total
No record in the currently authorized canonical archive is attached to this identity.
This is not evidence that the pollster released no 2026 polling; the source-audit gaps remain documented.
Eligible historical observations
5 shown · 5 total
| Cycle | Race | Type | Field end | Sample | Poll | Result | Error |
|---|---|---|---|---|---|---|---|
| 2020 | 2020_Sen-GSR_GA | Sen-G | 2021-01-01 | 550 | R+0.9 | D+2.1 | R+3.0 |
| 2020 | 2020_Sen-GR_GA | Sen-G | 2021-01-01 | 550 | R+1.1 | D+1.2 | R+2.3 |
| 2020 | 2020_Pres-G_N2 | Pres-G | 2020-11-01 | 191 | D+5.9 | D+6.5 | R+0.6 |
| 2020 | 2020_House-G_NE-2 | House-G | 2020-11-01 | 191 | R+1.1 | R+4.6 | D+3.5 |
| 2020 | 2020_Pres-G_NV | Pres-G | 2020-10-20 | 802 | D+9.0 | D+2.4 | D+6.6 |
Method · historical final-three-week D/R general-election rows plus verified historical supplement; min n=5
Definition · bias_D is poll D-R margin minus actual D-R margin; positive overstates Democrats.
A missing sample, sponsor or source is labeled unavailable; it is never reconstructed.
Poll data via VoteHub, used under CC BY 4.0. Poll data from The New York Times, used under CC BY 4.0.