possum {openintro}R Documentation

possum

Description

Data representing possums in Australia and New Guinea. This is a copy of the data set by the same name in the DAAG package, however, the data set included here includes fewer variables.

Usage

data(possum)

Format

A data frame with 104 observations on the following 8 variables.

site
The site number where the possum was trapped.
pop
Population, either Vic (Victoria) orother (New South Wales or Queensland).
sex
Gender, either m (male) or f (female).
age
Age.
headL
Head length, in mm.
skullW
Skull width, in mm.
totalL
Total length, in cm.
tailL
Tail length, in cm.

Source

Lindenmayer, D. B., Viggers, K. L., Cunningham, R. B., and Donnelly, C. F. 1995. Morphological variation among columns of the mountain brushtail possum, Trichosurus caninus Ogilby (Phalangeridae: Marsupiala). Australian Journal of Zoology 43: 449-458.

References

http://www.openintro.com/

Examples

data(possum)
par(mfrow=1:2)
plot(possum$headL, possum$skullW)
densityPlot(possum$totalL, possum$sex, key=c('f','m'), xlab='total length (cm)')
legend('topright', col=c('black', 'red'), lty=1:2, legend=c('f', 'm'))

[Package openintro version 1.0 Index]