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ERA - Wikipedia


In baseball statistics, earned run average (ERA) is the mean of earned runs given up by a ... pitchers' defensive errors) are recorded as unearned runs and omitted from ERA calculations. ... Pri...

Homerunweb: Baseball books, stats, and more - How to Calculate ...


How to Calculate Earned Run Average (ERA) As the basic statistical measure ... So, for example, a pitcher with a 3.50 ERA is expected to allow three and a half ...

Glossary: C-K | BaseballHQ.com


This sabermetric glossary is reprinted in its entirety from the 2008 Baseball Forecaster. ... "xERA represents the expected ERA of the pitcher based on a normal ... As such, we can use hard-hit ball data to calculate an expected skills- based ...

xFIP | FanGraphs Sabermetrics Library


Expected Fielding Independent Pitching (xFIP) is a regressed version of Fielding ... It's calculated in the same way as FIP, except it replaces a pitcher's home run total with an estimate .... Better with Less: ERA Estimators – Baseball Prospectus.

Expected ERA (XERA) - InsiderBaseball.com


Feb 20, 2010 ... Expected ERA (XERA) depicts a pitcher's "True ERA" as it bases its ... consider the inequity with the ERA calculation, specifically related to errors and ... Overall, based on the MLB pitcher population, XERA and ERA are very ...

Earned Run Average (ERA) Calculator - Amortization Calculator


In baseball, earned run average (ERA) is the average number of runs a pitcher allows per nine innings. This stats is used as a measure of a pitcher's expected ...

Expected ERA (XERA) - InsiderBaseball.com


Feb 28, 2007 ... Expected ERA (XERA) depicts a pitcher's "True ERA" as it bases its ... consider the inequity with the ERA calculation, specifically related to errors and ... on the MLB starting pitching universe, XERA and ERA usually are almost ...

ERA+ Vs. ERA- - Beyond the Box Score


Sep 14, 2012 ... I was pulling stats from both Baseball-Reference and FanGraphs, and ... For more info on ERA-, and how it is calculated, check out Patriot's article that I ... that ERA+ can be used, relatively easily, to calculate an expected W%.

siera - Baseball Prospectus | Glossary


Skill-Interactive Earned Run Average estimates ERA through walk rate, ... This was explained in more detail in the following series: part one, part two, part three,  ...

Everything you always wanted to know about: FIP - Big League Stew ...


Dec 2, 2009 ... How they calculate FIP: Tango's simplest version is expressed by the ... There is also a stat called xFIP (aka expected FIP) that utilizes many more ... What FIP is good for: FIP is a stat that's supposed to look like ERA, but it sure isn't ERA. ... Ultimately, baseball is about runs, runs scored and runs pre...

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Calculating Earned Run Average in Baseball - Free Math Help


Earned Run Average represents the number of earned runs a pitcher will give up per nine-inning game. This quick lesson will show you how to calculate ERA ...

Baseball Earned Run Average (ERA) Calculator - Captain Calculator


Earned Run Average ( ERA ) is a baseball metric used put a pitcher's ... by their win/loss ratio (primarily because pitchers were expected to pitch a full game).

Expected ERA for Baseball Bettors - Sports Gambling - About.com


A look at using Expected ERA for baseball betting purposes. ... The formula for xERA is a bit complicated and does take a bit of work to calculate, but is best ...