Thread: Adjusted GAA
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09-01-2013, 11:28 PM
Morgoth Bauglir
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Originally Posted by TheDevilMadeMe View Post has this:

Not sure how the adjustment works; it seems mighty fishy that 5 of the top 9 in career adjusted GAA are all active.
This is what they're claiming their methodology is >>>>>

"Adjusted Goals Against Average

To compute adjusted goals against average, first figure the player's unadjusted goals against average, then multiply by an era adjustment. The era adjustment is found by dividing 3 (our base goals against average) by the league goals against average without the goaltender in question.

For example, in 1993-94 Dominik Hasek allowed 109 goals in 3358 minutes, a goals against average of (109 / 3358) * 60 = 1.95.

The league totals were 6927 goals in 132362 minutes, giving a league goals against average (without Hasek) of ((6927 - 109) / (132362 - 3358)) * 60 = 3.17. Thus the era adjustment is 3 / 3.17 = 0.946.

Appyling this to Hasek's goals against average, we get an adjusted goals against average of 1.95 * 0.946 = 1.84."

I agree their seems to be something "off" there but I can't figure out the whyfores.

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