turtles {Flury} | R Documentation |
Measurements on the turtle carapace of 24 male and 24 female painted turtles (Chrysemys picta marginata).
data(turtles)
'turtle.carapace' is a data frame with 48 observations on the following 4 variables.
Gender
Male
Female
Length
Width
Height
Jolicoeur, P. and J.E. Mosimann (1960) “Size and Shape Variation in the Painted Turtle: A Principal Component Analysis”, Growth, 24:339-354
Flury, B.D. (1997) A First Course in Multivariate Statistics, New York: Springer
data(turtles) ## Not run: pairs(turtles[,-1], lower.panel = function(x, y){ points(x, y, pch = unclass(turtles[,1]), col = as.numeric(turtles[,1]))}, main = "Pairwise scatter plots for painted turtles") ## End(Not run)