batavgs {rvalues}

Batting Averages Data

Description

Data set containing number of at-bats and number of hits for Major League baseball players over the 2005 season.

Usage

data(batavgs)

Format

A data frame with 929 observations on the following 7 variables.

First.Name

factor; player's last name

Last.Name

factor; player's first name

Pitcher

numeric vector; an indicator of whether or not the player is a pitcher

midseasonAB

numeric vector; number of at-bats during the first half of the season

midseasonH

numeric vector; number of hits during the first half of the season

TotalAB

numeric vector; total number of at-bats over the season

TotalH

numeric vector; total number of hits over the season

Details

The 2005 Major League Baseball season was roughly six months starting from the beginning of April and ending at the beginning of October. Data from postseason play is not included. The midseason data were obtained by only considering the first three months of the season.

Source

http://projecteuclid.org/DPubS?service=UI&version=1.0&verb=Display&handle=euclid.aoas/1206367815

References

Brown, L. D. (2008), In-Season prediction of batting averages: a field test of empirical Bayes and Bayes Methodologies, The Annals of Applied Statistics, 2, 1, 113–152.

Examples

data(batavgs)
head(batavgs)