xmp11.11 {Devore5}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. (2000) Probability and Statistics for Engineering and the Sciences (5th ed), Duxbury

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

Examples

data(xmp11.11)
xmp11.11$Period <- factor(xmp11.11$Period)
xmp11.11$Strain <- factor(xmp11.11$Strain)
xmp11.11$Coat <- factor(xmp11.11$Coat)
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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