EfronMorris {pscl} | R 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)

[Package pscl version 1.5.2 Index]