VotePredictor
past elections

Pennsylvania Governor

Thomas W. Wolf (D) vs Thomas W. Corbett (R)

Actual result
D+9.9
Final polls said
D+9.8
5 late polls · ✓
Model predicted
D+11.0
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
1Harper PollingD+10.00.1
2VotePredictorD+11.01.1
3Muhlenberg College Institute of Public OpinionD+12.02.1
4Magellan StrategiesD+7.02.9
5Franklin & Marshall College Center for Opinion ResearchD+7.02.9
6YouGovD+13.03.1
7Mercyhurst University Center for Applied PoliticsD+15.05.1
8Quinnipiac UniversityD+17.07.1

Polls (13)

PollsterDatenPollMiss
Muhlenberg College Institute of Public Opinion2014-10-28409D+12.02
Magellan Strategies2014-10-271433D+7.03
Harper Polling2014-10-26680D+10.00
Franklin & Marshall College Center for Opinion Research2014-10-23341D+7.03
YouGov2014-10-203111D+13.03
Magellan Strategies2014-10-131131D+7.03
Quinnipiac University2014-10-02907D+17.07
YouGov2014-09-263283D+9.01
Mercyhurst University Center for Applied Politics2014-09-19479D+15.05
Franklin & Marshall College Center for Opinion Research2014-09-19520D+21.011
Muhlenberg College Institute of Public Opinion2014-09-17429D+21.011
Magellan Strategies2014-09-171120D+9.01
Quinnipiac University2014-09-051161D+24.014