Curve Ball: Baseball, Statistics, and the Role of Chance in by Jim Albert

By Jim Albert

A glance at baseball info from a statistical modeling point of view! there's a fascination between baseball fanatics and the media to assemble facts on each possible occasion in the course of a baseball (generic term) and this booklet addresses a few questions which are of curiosity to many baseball fanatics. those contain the way to price avid gamers, are expecting the end result of a video game or the attainment of an fulfillment, making feel of situational information, and determining the main precious gamers on this planet sequence. aimed toward a basic viewers, the textual content doesn't imagine any previous history in likelihood or records, even supposing a data of highschool abgebra might be useful.

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Extra resources for Curve Ball: Baseball, Statistics, and the Role of Chance in the Game

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Two lines are shown, one for Allie Reynolds and one for Vic Raschi, in SOM Baseball. 5, which is the result of the SOM batter influence described earlier. The difference in their lines resides in their intercepts, or starting point: the point at which the line crosses the y axis. 023, as described earlier. 5) but a different intercept. Thus, the relative skills of pitchers are represented by shifting the line up or down. The SOM model, in terms of consistency, is an improvement over the APBA model.

450. Boxplots to Compare Groups Boxplots are typically used to compare different groups of data. To illustrate, suppose we’re interested in comparing the OBPs for the American League regular players against the OBPs for the National League regulars. 50 ON-BASE PERCENTAGE FIGURE 2-10 Parallel boxplots of OBPs for 1999 regular players from the American and National Leagues. do bat, but are naturally excluded from this list because they don’t play in enough games). Table 2-4 gives the five-number summary of the 105 regular NL players’ OBPs.

This provides some support for the ordering of pitcher abilities found in the table. Another test is for internal consistency within each column. An examination of the columns of the table indicates that generally they are consistent: given any cell, the number of out results is equal to or greater than the number of out results in the cell below it. The one exception is noted by the two cells in boldface. With a runner on first base, an A&C pitcher is better than an A&B pitcher. Since we expect a better pitcher to produce better results in every base situation, this is a troubling inconsistency (corrected later in the “Master Game” version).

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