My first major miss, the 2018 election cycle saw continued strength among Senate projections and diminishing success with the House of Representatives.
Senate accuracy: 92.1% accuracy on average (128/139)
- 2018: 91.4% (32/35)
- 2016: 97.1% (33/34)
- 2014: 94.3% (33/35)
- 2012: 87.8% (29/33)
- 2010: 89.2% (33/37)
House accuracy: within 8.2 seats on average
- 2018: +17 Republicans
- 2016: -10 Republicans
- 2014: -10 Republicans
- 2012: +4 Republicans
- 2010: +/- 0