possum: possum

In JECheadle/RSOC317L: Data Sets and Supplemental Functions from David Diez's 'OpenIntro' Textbook

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) or other (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.org/

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'))

JECheadle/RSOC317L documentation built on May 15, 2019, 4:02 a.m.