Stat FIP: Difference between revisions

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The formula is as follows:
The formula is as follows:


  13 * HR + 3 * BB+HBP - 2*K /IP + FIP constant
  13 * HR + 3 * BB+HBP - 2*K /IP + FIPconstant


The constant is variable to the league and is derived by this formula:
FIPconstant is relative to the league and is derived by this formula:


FIP constant = league ERA - ((13 * league HR) + (3 * ( league BB + league HBP)) - (2 * league K)) / league IP
FIPconstant = league ERA - ((13 * league HR) + (3 * ( league BB + league HBP)) - (2 * league K)) / league IP


See https://legacy.baseballprospectus.com/glossary/index.php?search=FIP for more information.
See https://legacy.baseballprospectus.com/glossary/index.php?search=FIP for more information.

Latest revision as of 19:58, 31 March 2020

FIP (Fielding Independent ERA) is basically an ERA (earned run average) equivalent for pitchers that strips out all the vicissitudes of fielding. The idea is to isolate events for which the pitcher alone is responsible and thus produce a "truer" picture of how a pitcher is performing.

The formula is as follows:

13 * HR + 3 * BB+HBP - 2*K /IP + FIPconstant

FIPconstant is relative to the league and is derived by this formula:

FIPconstant = league ERA - ((13 * league HR) + (3 * ( league BB + league HBP)) - (2 * league K)) / league IP

See https://legacy.baseballprospectus.com/glossary/index.php?search=FIP for more information.