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Wednesday, April 23, 2008

What in the world is OBP minus BA?

By Tangotiger, 11:17 AM

Patriot tells us:

Walks/PA is what you are after…the player’s walk rate. But OBA-BA multiplies walk rate by one minus BA. So if you have two guys who each draw 50 walks in 550 PA, but one gets 150 hits (.340) and one gets 135 hits (.270), the one with the lower BA has a higher OBA-BA, .066 to .060.

It is remarkably lazy to leave it in the form OBA-BA. You can very easily get walk rate from (OBA - BA)/(1 - BA).

Here’s more to back up Patriot:

(1) Comments • 2008/04/23 • Sabermetrics • Linear_Weights

Page 1 of 1 pages

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April 23, 2008
What in the world is OBP minus BA?