xmp11.11 {Devore6} | R Documentation

## data from Example 11.11

### Description

The `xmp11.11` data frame has 96 rows and 4 columns giving data on the heat tolerance of cattle under different conditions.

### Format

This data frame contains the following columns:

Tempr
  observed body temperature of the cattle (degrees Fahrenheit - 100)
Period
  a numeric vector indicating the period of the year
Strain
  a numeric vector indicating the strain of cattle
Coat
  a numeric vector indicating the coat type

### Source

Devore, J. L. (2003) Probability and Statistics for Engineering and the Sciences (6th ed), Duxbury

(1959), ``The significance of the coat in hear tolerance of cattle'', Australian J. Agricultural Research, 744-748.

### Examples

    data(xmp11.11)
    coplot(Tempr ~ as.integer(Period) | Strain * Coat,
           data = xmp11.11, show.given = FALSE)
    coplot(Tempr ~ as.integer(Strain) | Period * Coat,
           data = xmp11.11, show.given = FALSE)
    coplot(Tempr ~ as.integer(Coat) | Period * Strain,
           data = xmp11.11, show.given = FALSE)
    fm1 <- lm(Tempr ~ Period * Strain * Coat, xmp11.11)
    anova(fm1)  # compare with Table 11.8, page 461

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