VotePredictor
past elections

Pennsylvania House

Christopher P. Carney (D) vs Tom Marino (R)

Actual result
R+10.3
Final polls said
R+1.5
2 late polls · ✓
Model predicted
R+1.8
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
1Digital ResearchR+9.01.3
2Tarrance GroupR+5.05.3
3VotePredictorR+1.88.5
4PSB ResearchEVEN10.3
5Lycoming College Polling InstituteD+6.016.4
6Momentum AnalysisD+7.017.4

Polls (9)

PollsterDatenPollMiss
Digital Research2010-10-24400R+9.01
Lycoming College Polling Institute2010-10-19296D+6.016
PSB Research2010-10-13406EVEN10
Momentum Analysis2010-10-12400D+7.017
Digital Research2010-10-10400R+6.04
Tarrance Group2010-10-06442R+5.05
Lycoming College Polling Institute2010-09-28370D+3.013
Momentum Analysis2010-09-24400D+8.018
Digital Research2010-09-22197R+4.06