My writings about baseball, with a strong statistical & machine learning slant.

Saturday, November 28, 2009

What 0.6 correlation looks like

Data points represent all* MLB pitcher seasons 2002-2009 with 60+IP.

* Actually I excluded a few cases as a result of pulling this data from the dataset of my projection system. So I'm missing all 2009 rookie seasons (except Rick Porcello, who I inserted manually). Also I'm missing 2002-2004 data for all pitchers who were not active during 2005-2009. I should have the full data at some point, but I don't think these omissions matter much, anyway.

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