Oregon House 2018 — Model Retrospective

The model's final pre-election forecast gave Tom Harrison a 54% chance of winning the Oregon House 2018 primary. Scattered won — an upset relative to the model's favorite.

  1. Tom Harrison — 54% model odds
  2. Scattered — 23% model odds (won)
  3. Marc W. Koller — 23% model odds

Model accuracy · 2026 race forecasts