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  1. tRA love

Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. A region and Anglo-Saxon kingdom of eastern England. Settled by Angles in the late fifth century A.D., it was a powerful kingdom by the late sixth century but became a dependency of Mercia for long periods after 650. The Danes controlled the region from 886 to 917, after which it became an English earldom.

Examples

  • “I would personally just use some sort of combination of RA and tRA for judging Retrospective value, and basically just tRA* for judging Retrospective skill.”

    Viva El Birdos

  • “FIP and tRA are attempting to measure the same thing: what a pitcher's current rates stats should result in on a scale that equivalent to an ERA. tRA is a little more in depth because it uses expected values for batted ball outcomes to determine a relative runs allowed, wheres as FIP just converts rates stats into a equivalent of ERA. tRA* goes one step farther and regresses batted ball rates to the mean and then converts the outcomes into estimated run values, which can, I think, distort some of a pitcher's own skill slightly.”

    The Crawfish Boxes

  • “Blengino has even gone on record in saying that they're aware of tRA and how it works.”

    Comments for FanGraphs Baseball

  • “Well, Navarro was awesome in Jane's Addiction but that's not horrible in that park, and he's had some HR/FB bad luck (xFIPs like him better, although tERA doesn't, though it's "early" for tRA this season).”

    Royals Review

  • “Using Statcorner's tRA WAR, you get 1.80 for Valverde and”

    Comments for FanGraphs Baseball

  • “Using Statcorner's tRA WAR, you get 1.80 for Valverde and 1.65 for Soriano.”

    Comments for FanGraphs Baseball

  • “This explains why tRA does a little better than ERA predictions, as it attributes this performance aspect, which is largely luck-laden due to its inconsistency, to skill in addition to crediting him for his low 15.8 percent line-drive rate, which we know is also largely luck-driven.”

    Baseball Prospectus

  • “Coding for tRA was the final hurdle, but a bunch of help from the invaluable”

    Baseball Prospectus

  • “One other note on tRA: since it calculates ERA, an adjustment needed to be made that essentially resulted in the creation of tERA, which was the normal tRA value discounted by the difference-league and year dependent-between ERA.”

    Baseball Prospectus

  • “Looking at the pitchers with very low walk rates, xFIP and QERA actually predict next-year SIERA 0.079 1.153 tRA 0.761 1.205”

    Baseball Prospectus

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