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Q&A with's John Hollinger

by Darnell Mayberry Published: April 26, 2011

Q: How would you explain Player Efficiency Rating to people who don't understand it?

A: The most concise explanation I have is it's a rating of a player's per minute statistical effectiveness. So basically, you give them points for all the good stuff, subtract points for all the bad stuff and out comes a rating. It's a bit more complicated than that, but in a nutshell that's what it is.

Q: How did you invent this statistical rating?

A: It was a lot of trial and error. I've always been kind of a stat head. I was really influenced by Bill James' books when I was a kid. I had started thinking about how I could apply it to basketball. I worked on PER for a long time just by myself just on Excel spreadsheets. And then when the Internet came along, I started putting my ratings online. This was in 1996. Even from there, I think it was probably three or four years before it got to the point where it is now.

by Darnell Mayberry
OKC Thunder Senior Reporter
Darnell Mayberry grew up in Langston, Okla. and is now in his third stint in the Sooner state. After a year and a half at Bishop McGuinness High, he finished his prep years in Falls Church, Va., before graduating from Norfolk State University in...
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