homerun {Zelig} | R Documentation

## Sample Data on Home Runs Hit By Mark McGwire and Sammy Sosa in 1998.

### Description

Game-by-game information for the 1998 season for Mark McGwire and Sammy Sosa. Data are a subset of the dataset provided in Simonoff (1998).

### Usage

    data(homerun)

### Format

A data frame containing 5 variables ("gameno", "month", "homeruns", "playerstatus", "player") and 326 observations.

`gameno`
  an integer variable denoting the game number
`month`
  a factor variable taking with levels "March" through "September" denoting the month of the game
`homeruns`
  an integer vector denoting the number of homeruns hit in that game for that player
`playerstatus`
  an integer vector equal to "0" if the player played in the game, and "1" if they did not.
`player`
  an integer vector equal to "0" (McGwire) or "1" (Sosa)

### Source

http://www.amstat.org

### References

Simonoff, Jeffrey S. 1998. ``Move Over, Roger Maris: Breaking Baseball's Most Famous Record.'' Journal of Statistics Education 6(3). Data used are a subset of the data in the article.

[Package Zelig version 3.4-3 Index]