wOBA calculation?

mgoetze · 06-01-2013, 01:11 PM

Looking at some double split batting numbers, I found a player with

1 PA, 0 AB, 1 BB, 0 IBB, 1.000 OBP, 1.000 OPS but .000 wOBA

According to Wikipedia's formula for wOBA, this should be a .720. Is this a bug?

TribeFanInNC · 06-01-2013, 01:25 PM

It could be that the wOBA result is 1.000 and you can't see the one. I know that doesn't jive with the formula. Maybe Markus weights things differently. It could be that it doesn't get calculated for splits either?

Bluenoser · 06-01-2013, 01:35 PM

There may well be more than one formula for wOBA. I know that there are a few for WAR, and Markus uses the one he likes best.

So the formula in OOTP may not be the one you're seeing at Wikipedia.

Questdog · 06-01-2013, 01:54 PM

Markus definitely uses the value of .720 for a walk......my guess is that he has the control to avoid dividing by 0 tied to AB instead PA, so the wOBA of a player won't get calculated until he has an AB.....just a guess, though...

06-01-2013, 01:11 PM	#1
mgoetze Minors (Triple A) Join Date: May 2013 Posts: 205	wOBA calculation? Looking at some double split batting numbers, I found a player with 1 PA, 0 AB, 1 BB, 0 IBB, 1.000 OBP, 1.000 OPS but .000 wOBA According to Wikipedia's formula for wOBA, this should be a .720. Is this a bug?

06-01-2013, 01:25 PM	#2
TribeFanInNC Hall Of Famer Join Date: Oct 2007 Posts: 4,019	It could be that the wOBA result is 1.000 and you can't see the one. I know that doesn't jive with the formula. Maybe Markus weights things differently. It could be that it doesn't get calculated for splits either?

06-01-2013, 01:35 PM	#3
Bluenoser Hall Of Famer Join Date: Mar 2002 Location: In The Moment Posts: 14,503	There may well be more than one formula for wOBA. I know that there are a few for WAR, and Markus uses the one he likes best. So the formula in OOTP may not be the one you're seeing at Wikipedia.

06-01-2013, 01:54 PM	#4
Questdog Hall Of Famer Join Date: Jun 2006 Location: In a dark, damp cave where I'm training slugs to run the bases...... Posts: 16,142	Markus definitely uses the value of .720 for a walk......my guess is that he has the control to avoid dividing by 0 tied to AB instead PA, so the wOBA of a player won't get calculated until he has an AB.....just a guess, though...