Actual result
D+12.4
Final polls said
D+9.0
1 late poll · ✓
Model predicted
D+5.7
✓
Winner
Dem
"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. The model's prediction is walk-forward (trained only on earlier races).
Final rankings
How everyone who called this race did, ranked — VotePredictor shown inline (★).
Pollsters — each pollster's final poll vs the result
| # | Pollster | Final call | Miss | Called |
|---|---|---|---|---|
| 1 | Grove Insight | D+9.0 | 3.4 | ✓ |
| 2 | VotePredictor | D+5.7 | 6.7 | ✓ |
Polls (1)
| Pollster | Date | n | Poll | Miss |
|---|---|---|---|---|
| Grove Insight | 2008-09-09 | 400 | D+9.0 | 3 |