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19.3.17 0032
The 7 - Baseball - Bill James' Win Shares
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odessasteps
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#1 Posted on 2.6.02 1102.44
Reposted on: 2.6.09 1104.33

Here's the short form method of figuring out Win Shares:

1. Figure out Runs Created for all players on a team.
2. Figure out Outs Made by each hitter.
3. Divide Outs/12 and subtract that from Runs Created.
4. Divide that number by 3. The result is each hitter's batting Win Shares (but not <0).
5. For pitchers as hitters, do same but don't subtract Outs.
6. For pitchers as pitchers, multiply league ERA by 1.5 and then subtract 1.0.
7. Figure out how many earned runs the pitcher would have allowed had that been his ERA
8. Subtract his actual ERA
9. Add his Saves.
10. Divide by 3. That is the pitcher's Win Share (not <0).
11. For fielders, give the player one Win Share for every 24 games as catcher, 76 games at first, 28 games at second, 38 games at third, 25 at shortstop and 48 in outfield.
12. Figure out the team total, and then adjust all totals upward or downward so that the team total matches 3x the team's wins.
13. Round off numbers to integers.

Easy as pie, right?
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TheBucsFan
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#2 Posted on 2.6.02 1109.57
Reposted on: 2.6.09 1116.42
That's pretty cool, if not confusing. I wonder what kind of mind comes up with THAT formula.
odessasteps
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#3 Posted on 2.6.02 1114.23
Reposted on: 2.6.09 1116.43

    Originally posted by TheBucsFan
    That's pretty cool, if not confusing. I wonder what kind of mind comes up with THAT formula.


And that's the short version.

As someone who loves sabermetrics, but hates math, I'm content to use the data without understanding it.
edturtle
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#4 Posted on 6.6.02 0828.38
Reposted on: 6.6.09 0829.01

    Originally posted by odessasteps



    And that's the short version.

    As someone who loves sabermetrics, but hates math, I'm content to use the data without understanding it.



You don't know how happy that makes me! I HEART the whole saberstuff but...Ya know - Math is hard, let's go shopping!
I'm glad I'm not the only person who's math challenged among the baseball set!
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