Evolution of MLB batting over the years …

Batting data from 1930 to 2018 summarized by transition-state changes and analyzed by Principal Component Analysis. Now … where to go with this … or, what I’ll be doing this winter when I’m not working on my golf swing :-þ

The information used here was obtained free of charge from and is copyrighted by Retrosheet.  Interested parties may contact Retrosheet at "www.retrosheet.org".

Data was analyzed using R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. URL https://www.R-project.org/.