Age and Eye Lens Weight of Rabbits in Australia
The dry weight of the eye lens was measured for 71 free-living wild rabbits of known age. Eye lens weight tends to vary much less with environmental conditions than does total body weight, and therefore may be a much better indicator of age.
data(Erabbits)
A data frame with 71 observations on the following 2 variables.
ageage of rabbit, in days.
wlensdry weight of eye lens, in milligrams.
Dudzinski, M.L. and Mykytowycz, R. (1961) The eye lens as an indicator of age in the wild rabbit in Australia. CSIRO Wildlife Research, 6: 156-159.
Ratkowsky, D. A. (1983). Nonlinear Regression Modelling. Marcel Dekker, New York.
Wei, B. C. (1998). Exponential Family Nonlinear Models. Springer, Singapore.
data("Erabbits", package="ssym")
plot(Erabbits$age, Erabbits$wlens, type="p", cex=0.3, lwd=3,
ylab="Dry weight of eye lens (in milligrams)",
xlab="Age of the animal (in days)")Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.