R: Opinions About Joint Sports

JointSports {vcd} | R Documentation

## Opinions About Joint Sports

### Description

Data from a Danish study in 1983 and 1985 about sports activities and the opinion about joint sports with the other gender among 16–19 year old high school students.

### Usage

    data("JointSports")

### Format

A data frame with 40 observations and 5 variables.

Freq

  frequency.

opinion

  factor indicating opinion about sports joint with the other gender (very good, good, indifferent, bad, very bad).

year

  factor indicating year of study (1983, 1985).

grade

  factor indicating school grade (1st, 3rd).

gender

  factor indicating gender (Boy, Girl).

### Source

E. B. Andersen (1991), The Statistical Analysis of Categorical Data, page 210.

### References

E. B. Andersen (1991), The Statistical Analysis of Categorical Data. 2nd edition. Springer-Verlag, Berlin.

### Examples

    library(MASS)
    data("JointSports")
    tab <- xtabs(Freq ~ gender + opinion + grade + year, data = JointSports)
    doubledecker(opinion ~ gender + year + grade, data = tab)
    loglm(~ opinion* (gender + grade+ year) + gender*year*grade, data = tab)

[Package vcd version 1.4-4 Index]