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RPA Calculation
Posted: Fri May 28, 2010 10:28 am
by boyinr
I am trying to get to season ending stats and I can not make any headway on recreating the RPA stat. The definition says "Runs/Plate Appearance" but that is not coming out close. Can you help me out. Thanks.
Re: RPA Calculation
Posted: Fri May 28, 2010 10:38 am
by OhioTex
Mathmatically RPA = (R+RBI)/PlateApperences
Re: RPA Calculation
Posted: Fri May 28, 2010 10:46 am
by FTMSupport
One small change:
RPA = (R+RBI-HR)/PlateAppearances
Don't want the players's own homerun counted twice in the calculation... they get credit for an RBI + RUN for a HR, so need to substract out HR.
Re: RPA Calculation
Posted: Fri May 28, 2010 11:08 am
by OhioTex
stand corrected.
Re: RPA Calculation
Posted: Fri May 28, 2010 7:01 pm
by boyinr
Thanks a ton, now the math works. Being an anal retentive engineer this was going to keep me up all night long.
Re: RPA Calculation
Posted: Fri May 28, 2010 7:31 pm
by iscore@tragus.org
On the topic of formulas for stats... Is there a FAQ thread or other page on the FTM site listing all of the formulas you guys use? I've dug a number of them out of Wikipedia and you've given me some in other threads but it would be nice to have one place to go find all of 'em.