R Dataset / Package pscl / EfronMorris

Submitted by pmagunia on March 9, 2018 - 1:06 PM
Dataset License
GNU General Public License v2.0
Attachment Size
dataset-44101.csv 846 bytes
Documentation

Batting Averages for 18 major league baseball players, 1970

Description

Batting averages for 18 major league baseball players, first 45 at bats of the 1970 season.

Usage

data(EfronMorris)

Format

name

character, name of player

team

character, team of player, abbreviated

league

character, National League or American League

r

numeric, hits in 1st 45 at bats

y

numeric, r/45, batting average over 1st 45 at bats

n

numeric, number of at bats, remainder of 1970 season

p

numeric, batting average over remainder of 1970 season

Source

Efron, Bradley and Carl Morris. 1975. Data Analysis Using Stein's Estimator and Its Generalizations. Journal of the American Statistical Association. 70:311-319.

Examples

data(EfronMorris)
attach(EfronMorris)
plot(p~y,
     xlim=range(p,y),
     ylim=range(p,y),
     xlab="Batting Average, 1st 45 at bats",
     ylab="Batting Average, Remainder of Season")
abline(0,1)
--

Dataset imported from https://www.r-project.org.

Documentation License
GNU General Public License v2.0

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