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08-03-2012, 11:32 AM
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Originally Posted by Iain Fyffe View Post
Derivatives of save percentage? Such as those that attempt to capture shot quality as well? That's not the same thing as just using save percentage, because it explicitly includes information not otherwise contained in save percentage.

You have to consider why save percentage might be used as the only stat. Is it because the analyst believes it's the best stat available for the job at the time? Because that's a perfectly valid reason to use it, and does not mean it's believed to be the best possible stat.
I mean derivatives of save percentage such as "Quality Starts", which is simply GP and SV% with a distribution element. Or Goalie Point Shares, which is again SV% and playing time with a league adjustment.

Using save percentage as a base from which to make adjustments for other factors is certainly more comprehensive.

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