possum {openintro} | R Documentation |
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.
data(possum)
A data frame with 104 observations on the following 8 variables.
site
pop
Vic
(Victoria) orother
(New South Wales or Queensland).sex
m
(male) or f
(female).age
headL
skullW
totalL
tailL
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.
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'))