VotePredictor
past elections

Massachusetts House

Bill Keating (D) vs John C. Chapman (R)

Actual result
D+10.0
Final polls said
D+4.0
2 late polls · ✓
Model predicted
D+2.3
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
1Emerson CollegeD+5.05.0
2VotePredictorD+2.37.7

Polls (3)

PollsterDatenPollMiss
Emerson College2014-10-28410D+5.05
Emerson College2014-10-18302D+3.07
Emerson College2014-10-06370R+5.015