tom tango Stories - Royals Review
A UZR-less 2012
If you visit FanGraphs or Baseball-Reference during the baseball season, it's tough to avoid exposure to defensive statistics like UZR, DRS or TZ. They feature prominently on individual player pages and leaderboards. Their existence is mostly beneficial, especially in the long term. A look at the...
Mets wOBA By Position
Weighted on-base average ("wOBA") is the statistic I talk about at parties. Simultaneously useful and accessible, an advanced math degree is not required to understand and appreciate probably the best* publicly available offensive statistic. It correlates with run scoring better than batting...
When Do 10 Runs Not Equal a Win? Baseball Databank Data Dump 2.2
I tried to start this baseball-databank data dump series for myself last season, but it didn't take. I'm hoping to have better luck this season with shorter, and, uh, "dumpier" posts. So, for your breathless perusal (drum roll please)... historical runs-per-win conversions! As common sense would...
Custom wOBA and Linear Weights Through 2010: Baseball Databank Data Dump 2.1
A rare photo of Tom Tango, seen here calculating linear weights. You know what wOBA is, right? If not, get hip to it. In short, wOBA (weighted On-Base Average) was created by Tom Tango as a way of more accurately expressing a player's offensive value (according to the linear...
Baseball Databank Data Dump, I: FIP Constants and Runs Per Win
Hi. I'm Matt. I write here (occasionally) now. Perhaps I could have picked something a bit more exciting for my first post, but I kept missing stuff, getting busy with other things, and so on. But I think this might be of utility to some people -- I know there were times I've wished I could easily...
Marcel's Retirees, Part One: Position Players
Tom Tango's Marcel the Monkey Forecasting System is similar in concept to the CHONE, PECOTA and ZiPS systems which are often thrown around this time of year. Click here for a full explanation and here is a summary of the methodology: It is the most basic forecasting system you can have, that uses...
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