UPDATE: The post below has been updated to reflect the Democratic flip of CA-21 and the results of the Mississippi special election. It is now up-to-date as of November 29th. Introduction The following document presents preliminary analysis of the performance of the Øptimus House and Senate models, as well as how they compare to other forecasting models and ratings. Overall, … [Read more...] about 2018 Midterm Forecasting model analysis- How well did we do?
Senate
Øptimus Election Modeling Preliminary Recap
Now that Election Day is “over” (minus California and a few close races), we have a preliminary look at how our legislative model has performed. The following analysis only includes races that have been called, so it will change over the next few days. This was our first dive into public forecasting- and we’re very pleased with how it’s turned out. The House model pretty … [Read more...] about Øptimus Election Modeling Preliminary Recap
Øptimus Legislative Model: Update November 5, 2018
On the eve of Election Day, there is a high likelihood of split chamber control of Congress once the dust settles. In the past week, the national environment shifted from D+7.9 to D+7.1 while presidential approval dipped to a net negative 14 points. It is a longshot for Republicans to keep the House, though Democrats do have a very narrow path to taking the Senate. Details … [Read more...] about Øptimus Legislative Model: Update November 5, 2018
Øptimus Legislative Model: Update November 2, 2018
As it was at the beginning of the week, the model is stable in the House and moved slightly towards Republicans in the Senate since Monday. The national environment shifted from D+7.9 compared to D+7. With just 8 days left until Election Day, we're predicting a strong possibility of split chamber control, with Democrats retaking the House but unable to retake the Senate. … [Read more...] about Øptimus Legislative Model: Update November 2, 2018
Øptimus Legislative Model: Update October 29, 2018
For the second straight week, the model is stable in the House and moves slightly towards Republicans in the Senate. The national environment is also stable, sitting at D+7.9 compared to D+7.8 last week. With just 8 days left until Election Day, we're predicting a strong possibility of split chamber control, with Democrats retaking the House but unable to retake the Senate. … [Read more...] about Øptimus Legislative Model: Update October 29, 2018