VotePredictor
past elections

North Dakota House

Mac Schneider (D) vs Kelly Armstrong (R)

Actual result
R+24.6
Final polls said
R+21.5
2 late polls · ✓
Model predicted
R+26.0
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
1VotePredictorR+26.01.3
2Beacon Research/Shaw & Co. ResearchR+22.02.6
3Strategic Research AssociatesR+21.03.6

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1Cook PoliticalRep 99%0.000
2DDHQ/Decision DeskRep 99%0.000
3The EconomistRep 100%0.000
4FiveThirtyEightRep 100%0.000
5Sabato's Crystal BallRep 99%0.000
6VotePredictorRep 100%0.000

Polls (5)

PollsterDatenPollMiss
Beacon Research/Shaw & Co. Research2018-10-29789R+22.03
Strategic Research Associates2018-10-16650R+21.04
Beacon Research/Shaw & Co. Research2018-10-01704R+17.08
Strategic Research Associates2018-09-22650R+24.01
Beacon Research/Shaw & Co. Research2018-09-10701R+14.011