VotePredictor
past elections

Georgia Senate

Jim Barksdale (D) vs Johnny Isakson (R)

Actual result
R+13.8
Final polls said
R+9.9
13 late polls · ✓
Model predicted
R+13.4
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
1Landmark CommunicationsR+13.60.2
2Quinnipiac UniversityR+14.00.3
3VotePredictorR+13.40.4
4JMC AnalyticsR+13.00.8
5Abt AssociatesR+15.01.3
6Monmouth University Polling InstituteR+16.02.3
7Landmark Communications/Rosetta Stone CommunicationsR+11.02.8
8Marist CollegeR+11.02.8
9InsiderAdvantageR+10.82.9
10LucidR+10.03.8
11Emerson CollegeR+8.05.8
1220/20 InsightR+7.06.8
13YouGovR+7.06.8
14SurveyMonkeyR+6.07.8

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1Inside ElectionsRep 99%0.000
2Sabato's Crystal BallRep 99%0.000
3VotePredictorRep 99%0.000
4FiveThirtyEightRep 97%0.001
5Cook PoliticalRep 90%0.010

Polls (20)

PollsterDatenPollMiss
Landmark Communications/Rosetta Stone Communications2016-11-061200R+11.03
20/20 Insight2016-11-04541R+7.07
SurveyMonkey2016-11-042419R+6.08
YouGov2016-11-04995R+7.07
Landmark Communications/Rosetta Stone Communications2016-11-031000R+10.04
InsiderAdvantage2016-11-02538R+10.83
Marist College2016-10-31707R+11.03
Emerson College2016-10-30650R+8.06
SurveyMonkey2016-10-282665R+9.05
Quinnipiac University2016-10-23707R+14.00
InsiderAdvantage2016-10-20570R+9.44
Abt Associates2016-10-19839R+15.01
Lucid2016-10-17807R+10.04
SurveyMonkey2016-10-12886R+4.010
Landmark Communications2016-10-111400R+13.60
JMC Analytics2016-09-21600R+13.01
Quinnipiac University2016-09-17638R+21.07
Monmouth University Polling Institute2016-09-17401R+16.02
InsiderAdvantage2016-09-14568R+12.91
Emerson College2016-09-11600R+16.02