VotePredictor
past elections

Arkansas Senate

Mark L. Pryor (D) vs Tom Cotton (R)

Actual result
R+17.1
Final polls said
R+5.1
8 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
1University of Arkansas Department of Political ScienceR+13.04.1
2Hendrix CollegeR+8.58.6
3Public Policy PollingR+8.09.1
4Rasmussen ReportsR+7.010.1
5Beacon Research/Shaw & Co. ResearchR+7.010.1
6VotePredictorR+6.410.7
7YouGovR+5.012.1
8Gravis MarketingR+4.013.1
9Marist CollegeR+2.015.1
10Suffolk UniversityD+1.818.9
11Opinion Research AssociatesD+2.019.1
12Hickman AnalyticsD+3.020.1

Polls (17)

PollsterDatenPollMiss
Opinion Research Associates2014-10-31400D+2.019
Public Policy Polling2014-10-311092R+8.09
Rasmussen Reports2014-10-28967R+7.010
Opinion Research Associates2014-10-25401D+1.018
University of Arkansas Department of Political Science2014-10-24568R+13.04
Marist College2014-10-21621R+2.015
YouGov2014-10-201546R+5.012
Hendrix College2014-10-152075R+8.59
Rasmussen Reports2014-10-14940R+3.014
Beacon Research/Shaw & Co. Research2014-10-06707R+7.010
Opinion Research Associates2014-10-03400D+3.020
YouGov2014-09-261991R+4.013
Rasmussen Reports2014-09-24750R+7.010
Suffolk University2014-09-22500D+1.819
Public Policy Polling2014-09-201453R+5.012
Hickman Analytics2014-09-15801D+3.020
Gravis Marketing2014-09-10902R+4.013