By Galen Druke and Nate Silver
The presidential polls were off by somewhere in the range of 4 percentage points, which is notably larger than the recent average error of 2.3 points. In this installment of Model Talk on the FiveThirtyEight Politics podcast, editor-in-chief Nate Silver and Galen Druke explain why a polling error of even 4 points isn’t that unexpected, offer reasons why the error occurred, and discuss the usefulness of polling and modeling going forward.