VotePredictor
past elections

California House

Brad Sherman (D) vs Howard L. Berman (R)

Actual result
D+20.6
Final polls said
D+11.0
1 late poll · ✓
Model predicted
D+12.8
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

#PollsterFinal callMissCalled
1Feldman GroupD+25.04.4
2VotePredictorD+12.87.8
3SurveyUSAD+11.09.6
4Kimball Political ConsultingD+6.014.6

Polls (4)

PollsterDatenPollMiss
SurveyUSA2012-10-23674D+11.010
Feldman Group2012-10-13502D+25.04
Kimball Political Consulting2012-10-12422D+6.015
SurveyUSA2012-09-19628D+13.08