Voters' Memories Will Fade Some.

I Don't Think That Somebody Who Is Observing Or Predicting Behavior Should Also Be Participating In The 'experiment.'

Expert Estimates Of Probability Are Often Off By Factors Of Hundreds Or Thousands. [...] I Used To Be Annoyed When The Margin Of Error Was High In A Forecasting Model That I Might Put Together. Now I View It As Perhaps The Single Most Important Piece Of Information That A Forecaster Provides. When We Publish A Forecast On Fivethirtyeight, I Go To Great Lengths To Document The Uncertainty Attached To It, Even If The Uncertainty Is Sufficiently Large That The Forecast Won't Make For Punchy Headlines.

When You Get Into Statistical Analysis, You Don't Really Expect To Achieve Fame. Or To Become An Internet Meme. Or Be Parodied By 'the Onion' - Or Be The Subject Of A Cartoon In 'the New Yorker.' I Guess I'm Kind Of An Outlier There.

In Baseball You Have Terrific Data And You Can Be A Lot More Creative With It.

You Don't Want To Influence The Same System You Are Trying To Forecast.