VotePredictor
past elections

South Carolina House

Archie Parnell (D) vs Ralph Norman (R)

Actual result
R+3.1
Final polls said
R+10.7
3 late polls · ✓
Model predicted
R+18.3
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
1Change ResearchR+9.05.9
2Impact ResearchR+10.06.9
3Gravis MarketingR+13.09.9
4Victory EnterprisesR+17.013.9
5VotePredictorR+18.315.2

Polls (4)

PollsterDatenPollMiss
Change Research2017-06-161001R+9.06
Impact Research2017-05-24401R+10.07
Gravis Marketing2017-05-21746R+13.010
Victory Enterprises2017-05-17629R+17.014