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Batting Statistics Formulae

AB   	At Bats            		= PA - BB - SF

1B Singles = H - 2B - 3B - HR

TB Total Bases = H + 2B + (2 x 3B) + (3 x HR) + BB

SLG Slugging Percentage = TB / AB

OBP On-Base Percentage = (H + BB + FC) / (AB + BB + SF)

OPS On-base Plus Slugging = OBP + SLG BA Batting Average = H / AB

RC Runs Created = ((H + BB) x TB) / (AB + BB)

TA Total Average = (TB +BB) / (AB - H + DP)

PP Pure Power = SLG - BA

RISP Runners in Scoring Pos. = (H + BB + SF)/AB

FC Fielders Choice. A runner is forced out on the bases.

3rd Number of times making 3rd out in inning.

GWI Game Winning RBI. The run that puts us ahead for good.

OBP+ Adjusted OBP = 100*(OBP/teamOBP)

SLG+ Adjusted SLG = 100*(SLG/teamSLG)

OPS+ Adjusted OPS = 100*((OBP/teamOBP)+(SLG/teamSLG)-1)

PA Plate Appearances R Runs H Hits 2B Doubles 3B Triples HR Home Runs BB Walks SO Strike Out SF Sacrifice Fly DP Douple Play hit into RBI Runs Batted In

DJ’s rationales for:

All stats: I don’t want to be the one to deal with arguments, so for everything I err toward inflating the stats. If someone want to become the ‘official scorer’ and deal with it, I’m all for it.

Hits: If there’s no out on the play, then it’s a hit. We could use “reached-on-error” instead of “hit”. It’s sure a lot simpler this way.

OBP: I include FC in OBP for a few reasons. 1) inflates the number, 2) encourages ground balls instead of fly balls. I think we’d all like to see more ground outs than fly outs. 3) I really think it belongs here (even in MLB). When computing a players value relative to runs scored, it makes sense to get credit for being on base, even if another player is forced. This is a VERY arguable point.

TB: Per some complaints, BB is now included in TB (thus the TB+ you see sometimes). Since this is a somewhat manual process, all the stats related to TB may not be quite correct. Tough. FC is not included, although there could certainly an argument for it.

RISP: “good things” count as a ‘RISP hit’, bad things don’t. So Hits, Walks and Sac Flies count as “good”. Outs and Fielders Choice count as “bad”. I know this is opposite my logic for OBP, but I’m one confused boy.