http://www.baseball-reference.com/blog/archives/21 This and that about baseball stats. Mon, 21 Dec 2009 22:17:01 -0500 http://wordpress.org/?v=2.8.4 hourly 1 http://www.baseball-reference.com/blog/archives/21/comment-page-1#comment-8 Chris J. Fri, 15 Jun 2007 15:23:04 +0000 http://www.baseball-reference.com/sotd/archives/21#comment-8 Good catch. Instead of rookie, it would be more accurate to say first-year player. Good catch. Instead of rookie, it would be more accurate to say first-year player.

]]> http://www.baseball-reference.com/blog/archives/21/comment-page-1#comment-7 admin Fri, 15 Jun 2007 02:36:19 +0000 http://www.baseball-reference.com/sotd/archives/21#comment-7 Yeah, we don't have rookie years coded in. Technically a player can have multiple rookie years which is a bit of a mess. Yeah, we don't have rookie years coded in. Technically a player can have multiple rookie years which is a bit of a mess.

]]> http://www.baseball-reference.com/blog/archives/21/comment-page-1#comment-6 birtelcom Thu, 14 Jun 2007 20:24:45 +0000 http://www.baseball-reference.com/sotd/archives/21#comment-6 If I understand your PI methodology here, what you are picking up this way is a player's "debut" year, rather than what is usually defined as his "rookie" year. Sometimes, that's the same thing, but often it is not. A player may only play a handful of games (or even one game) in, say, a September callup in his "debut" year, and then play a full rookie year the next year. In that case I don't think your approach will pick up the "rookie" year. Or am I missing something? If I understand your PI methodology here, what you are picking up this way is a player's "debut" year, rather than what is usually defined as his "rookie" year. Sometimes, that's the same thing, but often it is not. A player may only play a handful of games (or even one game) in, say, a September callup in his "debut" year, and then play a full rookie year the next year. In that case I don't think your approach will pick up the "rookie" year. Or am I missing something?

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