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Win Shares


AlBumbry

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Quick suggestions before I get into the meat of my post: Would it make sense to create a Sabremetrics forums for posts/threads like this one to be housed under?

Ok, now the main question. I'm not overly familiar with the details behind a majority of Sabremetic Stats and being in the middle of a slow moving training class, decided to start researching a couple. My first one was, you guessed it, Win Shares. I haven't finished reviewing everything yet (I've only looked at how to calculate the offensive portion), but had a couple of quick questions (here's where I was looking: http://www.baseballgraphs.com/main/index.php/site/details/#sharecalc):

1. I read earlier where a player's win shares are not impacted by the number of wins his team had, but part of the offensive calculation is the teams wins? "Next, you take the percent of marginal runs contributed by the offense, multiply it by the number of wins times three. " What am I missing?

2. Another part of the calcuation seems like it is subtracting the league average RC from the players RC, which would mean that if you were below average RC, then you will end up with a zero portion win share for your offensive portion? Am I misreading this?

Thanks for any (polite) responses :) .

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... 2. Another part of the calcuation seems like it is subtracting the league average RC from the players RC, which would mean that if you were below average RC, then you will end up with a zero portion win share for your offensive portion? Am I misreading this?

Well, if you check out the 2007 Win Shares for the O's at The Hardball Times, you'll see that Castillo, Fahey, House, and several of the O's pitchers had negative offensive win shares. So, I'd say that you're probably reading it correctly.

... Thanks for any (polite) responses :) .

You're welcome, but I have a hard time resisting the clever responses, whether polite or not. :)

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Well, if you check out the 2007 Win Shares for the O's at The Hardball Times, you'll see that Castillo, Fahey, House, and several of the O's pitchers had negative offensive win shares. So, I'd say that you're probably reading it correctly.

That's fine if I am, but then theoretically, approximately half of the players would have negative offensive win shares . . . that doesn't seem right, though in the end, its just a number for rankings, so it really shouldn't matter whether its positive or negative, just where it falls in the overall list.

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