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	<title>Comments on: &#8220;The numbers don&#8217;t lie?: The problem of emergence in baseball and basketball statistics&#8221;</title>
	<atom:link href="http://www.mutuallyoccluded.com/2009/03/the-numbers-dont-lie-the-problem-of-emergence-in-baseball-and-basketball-statistics/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.mutuallyoccluded.com/2009/03/the-numbers-dont-lie-the-problem-of-emergence-in-baseball-and-basketball-statistics/</link>
	<description>media &#38; film, design, philosophy, politics</description>
	<pubDate>Sat, 11 Feb 2012 07:07:25 +0000</pubDate>
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		<title>By: kvond</title>
		<link>http://www.mutuallyoccluded.com/2009/03/the-numbers-dont-lie-the-problem-of-emergence-in-baseball-and-basketball-statistics/comment-page-1/#comment-113</link>
		<dc:creator>kvond</dc:creator>
		<pubDate>Sun, 29 Mar 2009 23:04:03 +0000</pubDate>
		<guid isPermaLink="false">http://www.mutuallyoccluded.com/?p=1388#comment-113</guid>
		<description>Mark Cuban&#39;s controversial "Developed and Enhanced" plus/minus statistics, from his blog:&lt;br&gt;&lt;a href="http://blogmaverick.com/2009/02/08/nba-all-stars-by-the-numbers/" rel="nofollow"&gt;http://blogmaverick.com/2009/02/08/nba-all-star...&lt;/a&gt;&lt;br&gt;&lt;br&gt;"To give you a basic understanding of the system, at its most basic its a plus minus system. Then we adjust it to take into account who the opponent is, is it home or away, are you playing against the other teams good lineup or bad lineup, what the score and game clock are (scoring the game winner is worth more than the 1st basket of the game. Scoring when up by 30 is worth nothing). If the team scores or gets a stop when the game is on the line, then your impact percentage goes up. We reward for getting the job done when it matters.&lt;br&gt;&lt;br&gt;We track as you can see below by last games, and also track the variance. In other words, average is pretty much meaningless. You can score plus 20 one day, zero the next, but are you a 10 level&lt;br&gt;player ? We track the variance of the players performance. The lower the variance, the more consistent the player on offense or defense."</description>
		<content:encoded><![CDATA[<p>Mark Cuban&#39;s controversial &#8220;Developed and Enhanced&#8221; plus/minus statistics, from his blog:<br /><a href="http://blogmaverick.com/2009/02/08/nba-all-stars-by-the-numbers/" rel="nofollow"></a><a href="http://blogmaverick.com/2009/02/08/nba-all-star.." rel="nofollow">http://blogmaverick.com/2009/02/08/nba-all-star..</a>.</p>
<p>&#8220;To give you a basic understanding of the system, at its most basic its a plus minus system. Then we adjust it to take into account who the opponent is, is it home or away, are you playing against the other teams good lineup or bad lineup, what the score and game clock are (scoring the game winner is worth more than the 1st basket of the game. Scoring when up by 30 is worth nothing). If the team scores or gets a stop when the game is on the line, then your impact percentage goes up. We reward for getting the job done when it matters.</p>
<p>We track as you can see below by last games, and also track the variance. In other words, average is pretty much meaningless. You can score plus 20 one day, zero the next, but are you a 10 level<br />player ? We track the variance of the players performance. The lower the variance, the more consistent the player on offense or defense.&#8221;</p>
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