VotePredictor
past elections

Michigan Senate

Gary C. Peters (D) vs Terri Lynn Land (R)

Actual result
D+13.3
Final polls said
D+12.7
11 late polls · ✓
Model predicted
D+13.7
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
1Public Policy PollingD+13.00.3
2VotePredictorD+13.70.4
3Mitchell Research & CommunicationsD+12.01.3
4EPIC-MRAD+15.01.7
5Clarity Campaign LabsD+15.01.7
6Glengariff GroupD+15.11.8
7Marketing Resource Group (MRG)D+11.02.3
8Target InsyghtD+10.03.3
9Rasmussen ReportsD+9.04.3
10Lake Research PartnersD+9.04.3
11Suffolk UniversityD+8.84.5
12YouGovD+8.05.3
13Denno ResearchD+7.06.3
14Magellan StrategiesD+5.08.3
15We Ask AmericaD+3.010.3
16Clout ResearchD+2.610.7
17ccAdvertisingR+1.014.3

Polls (32)

PollsterDatenPollMiss
Mitchell Research & Communications2014-11-021224D+12.01
Public Policy Polling2014-11-01914D+13.00
EPIC-MRA2014-10-27600D+15.02
Mitchell Research & Communications2014-10-271159D+14.11
Glengariff Group2014-10-23600D+15.12
Rasmussen Reports2014-10-211000D+9.04
YouGov2014-10-202394D+8.05
Public Policy Polling2014-10-20723D+14.01
Mitchell Research & Communications2014-10-19919D+13.60
Clarity Campaign Labs2014-10-191032D+15.02
EPIC-MRA2014-10-18600D+11.02
Clarity Campaign Labs2014-10-13957D+13.00
Mitchell Research & Communications2014-10-121340D+11.02
Mitchell Research & Communications2014-10-091306D+5.08
Clout Research2014-10-06615D+2.611
Glengariff Group2014-10-03600D+9.04
Public Policy Polling2014-10-02654D+7.06
Marketing Resource Group (MRG)2014-09-30600D+11.02
Mitchell Research & Communications2014-09-291178D+13.00
Lake Research Partners2014-09-28600D+9.04
ccAdvertising2014-09-27679R+1.014
EPIC-MRA2014-09-27600D+9.04
YouGov2014-09-262560D+5.08
Target Insyght2014-09-24600D+10.03
Public Policy Polling2014-09-18852D+7.06
We Ask America2014-09-181182D+3.010
Rasmussen Reports2014-09-17750D+2.011
Mitchell Research & Communications2014-09-14829D+2.011
Magellan Strategies2014-09-14717D+5.08
Denno Research2014-09-12600D+7.06
Suffolk University2014-09-08500D+8.84
Public Policy Polling2014-09-06687D+7.06