Baseball Hitter's Data

Description

The data are for 322 Major Leaque Baseball regular and substitute hitters in 1986.

Usage

data(baseball)

Format

A data frame with 322 observations on the following 22 variables.

Name

The hitter/player's name

League

Player's league (American/National) at the beginning of 1987

Team

Player's team at the beginning of 1987

Position

Player's position in 1986: 1B (first base), 2B (second base), 3B (third base), C (catcher), OF (outfield), DH (designated hitter), SS (short stop), UT (utility).

Atbat

Number of times at bat in 1986

Hits

Number of hits in 1986

Homer

Number of home runs in 1986

Runs

Number of runs in 1986

RBI

Runs batted in during 1986

Walks

Number of walks in 1986

Years

Number of years in the major leagues

Atbatc

Number of times at bat in his career

Hitsc

Number of hits in career

Homerc

Number of home runs in career

Runsc

Number of runs in career

RBIc

Number of Runs Batted In in career

Walksc

Number of walks in career

Putouts

Number of putouts in 1986

Assists

Number of assists in 1986

Errors

Number of errors in 1986

Salary

Annual salary (in thousands) on opening day 1987

logSal

Log of salary

Details

The levels of the player's positions have been collapsed to fewer levels for a simpler analysis. See the original data for the full list of positions.

Source

The version of the data used to create this data was found at http://euclid.psych.yorku.ca/ftp/sas/sssg/data/baseball.sas.

Michael Friendly analyzed the data in: Corrgrams: Exploratory Displays for Correlation Matrices, The American Statistician, Nov 2002, Vol 56.

References

The data was originally published for the 1988 ASA Statistical Graphics and Computing Data Exposition: http://lib.stat.cmu.edu/data-expo/1988.html.

The salary data were taken from Sports Illustrated, April 20, 1987. The salary of any player not included in that article is listed as an NA. The 1986 and career statistics were taken from The 1987 Baseball Encyclopedia Update published by Collier Books, Macmillan Publishing Company, New York.

Examples

vars2 <- c("Assists","Atbat","Errors","Hits","Homer","logSal",
           "Putouts","RBI","Runs","Walks","Years")
corrgram(baseball[,vars2],
         lower.panel=panel.shade, upper.panel=panel.pie)