Actual result
R+34.1
Final polls said
R+30.7
1 late poll · ✓
Model predicted
R+35.0
✓
Winner
Rep
"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 | VotePredictor | R+35.0 | 0.9 | ✓ |
| 2 | The Political Matrix/The Listener Group | R+30.7 | 3.4 | ✓ |
Forecasters — pre-election win probability, scored by Brier
| # | Forecaster | Win prob | Brier | Called |
|---|---|---|---|---|
| 1 | Cook Political | Rep 99% | 0.000 | ✓ |
| 2 | DDHQ/Decision Desk | Rep 100% | 0.000 | ✓ |
| 3 | The Economist | Rep 100% | 0.000 | ✓ |
| 4 | FiveThirtyEight | Rep 100% | 0.000 | ✓ |
| 5 | Sabato's Crystal Ball | Rep 99% | 0.000 | ✓ |
| 6 | VotePredictor | Rep 100% | 0.000 | ✓ |
Polls (1)
| Pollster | Date | n | Poll | Miss |
|---|---|---|---|---|
| The Political Matrix/The Listener Group | 2018-10-20 | 730 | R+30.7 | 3 |