New Features: More Stats & Integration

by
August 11, 2006

Quite a few feature additions just went into production.

-First off, WPA is no longer expressed as a percentage. Every player still has the same value, it’s just 100 times less.

-WPA is now displayed in each player’s game log and all the dates in the game logs are linked back to the correct Win Probability graph.

-There’s a new table for both batters and pitchers in the player stat pages that include the following Win Probability & Leverage stats:

WPA: Win Probability Added.
-WPA: The total of a player’s negative contributions towards their team’s win/loss.
+WPA: The total of a player’s positive contributions towards their team’s win/loss.
pLI: Average Leverage on a plate-appearance basis.
inLI: Average Leverage when a pitcher starts an inning.
gmLI: Average Leverage when a pitcher enters the game.
exLI: Average Leverage when a pitcher exits the game (game ends not included).
Pulls: Number of times a pitcher has been pulled from a game before it ended.
G: The number of games pitched in.
phLI: Average Leverage when pinch-hitting.
PH: Pinch-hitting opportunities.
OBP Wins: Player’s wins in a context-neutral environment.
Clutchiness: Difference between WPA and a Leverage adjusted OBP Wins.

For more information about these stats, take a look at the following links:

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-Tangotiger’s Critical Situation Series: Part 1, Part 2, Part 3.
–Clutchiness: The Blog.
–The One About Win Probability.

If you notice any problems, please let us know and we’ll fix them as quickly as possible.





 

David Appelman is the creator of FanGraphs.

6 Comments
Oldest
Newest Most Voted
Chris M
19 years ago

Great job with all the stuff you guys have been adding!

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tangotiger
19 years ago

Two huge thumbs up! The indie site of the year!
— Tango & Tiger

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Mike
19 years ago

Just great stuff David! This site is one of the best on the net…you do a great job!

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Vince
19 years ago

Really great site, enjoy this very much. Keep up the good work.

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David AppelmanFanGraphs Staff
19 years ago

Thanks everyone! There’s a lot more stuff we want to do. 🙂

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bedir than average
19 years ago

David, would it be anything more than intellectual curiousity to see WPA or LI in graphs?

0