Originally Posted by
Waterstpub87
Working on a model with an input for Park Factor. Looking at the Park Factors, there seems to be a high level of variability from year to year in the same park. For example, in 2008 and 2009 AT&T Run effects were 1.045, and 1.05, favoring the hitter, and 2010-2013 .869, .737, .737, .942, favoring the defense. There are several other examples of similar behavior. Could this be a case of weather that year, pitchers pitching significantly better, or crowd effects?
Anyone else ever look at this