VotePredictor
past elections

California House

Nicholas Leibham (D) vs Brian P. Bilbray (R)

Actual result
R+5.1
Final polls said
R+7.5
2 late polls · ✓
Model predicted
R+6.4
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

#PollsterFinal callMissCalled
1VotePredictorR+6.41.4
2GQRR+2.03.1
3Tarrance GroupR+13.07.9

Polls (2)

PollsterDatenPollMiss
GQR2008-10-13400R+2.03
Tarrance Group2008-10-12300R+13.08