VotePredictor
past elections

Nevada Senate

Catherine Cortez Masto (D) vs Joseph J. Heck (R)

Actual result
D+2.4
Final polls said
D+1.1
17 late polls · ✓
Model predicted
D+0.9
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
1JMC AnalyticsD+2.00.4
2Public Policy PollingD+3.00.6
3Clarity Campaign LabsD+3.00.6
4Emerson CollegeD+1.11.3
5Bendixen & Amandi InternationalD+1.01.4
6VotePredictorD+0.91.5
7Rasmussen ReportsEVEN2.4
8YouGovEVEN2.4
9SurveyMonkeyD+5.02.6
10Garin-Hart-Yang Research GroupR+1.03.4
11Gravis MarketingD+6.03.6
12LucidD+6.03.6
13Big VillageR+2.04.4
14Suffolk UniversityR+2.44.8
15Monmouth University Polling InstituteR+3.05.4
16Public Opinion StrategiesR+3.05.4
17LegerR+4.06.4
18GQRR+6.08.4
19Marist CollegeR+7.09.4
20Beacon Research/Shaw & Co. ResearchR+7.09.4

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1Sabato's Crystal BallDem 75%0.062
2FiveThirtyEightDem 60%0.160
3VotePredictorDem 57%0.187
4Cook PoliticalDem 50%0.250
5Inside ElectionsDem 50%0.250

Polls (33)

PollsterDatenPollMiss
Gravis Marketing2016-11-051158D+6.04
SurveyMonkey2016-11-041207D+5.03
Rasmussen Reports2016-11-04525EVEN2
Emerson College2016-11-04600D+1.11
Rasmussen Reports2016-10-31525D+2.00
Public Policy Polling2016-10-31688D+3.01
Lucid2016-10-30892D+6.04
JMC Analytics2016-10-30600D+2.00
Big Village2016-10-29790R+2.04
SurveyMonkey2016-10-281010EVEN2
Rasmussen Reports2016-10-26525D+1.01
Emerson College2016-10-26550R+4.06
Gravis Marketing2016-10-25875D+6.04
Bendixen & Amandi International2016-10-22800D+1.01
Marist College2016-10-22707R+7.09
Rasmussen Reports2016-10-21826D+2.00
Monmouth University Polling Institute2016-10-16413R+3.05
YouGov2016-10-13996EVEN2
SurveyMonkey2016-10-12884R+1.03
Big Village2016-10-12698D+7.05
JMC Analytics2016-10-12600D+5.03
Public Opinion Strategies2016-10-11600R+3.05
Clarity Campaign Labs2016-10-101010D+3.01
Public Policy Polling2016-10-10986D+4.02
Emerson College2016-10-03700R+4.97
Garin-Hart-Yang Research Group2016-09-29700R+1.03
Suffolk University2016-09-28500R+2.45
Bendixen & Amandi International2016-09-28800R+2.04
Beacon Research/Shaw & Co. Research2016-09-19704R+7.09
Rasmussen Reports2016-09-17800R+4.06
GQR2016-09-14400R+6.08
Leger2016-09-13398R+4.06
Monmouth University Polling Institute2016-09-12406R+3.05