lizards {SMPracticals} | R Documentation |
These are data on the structural habitat of two species of lizards in Whitehouse, Jamaica. They comprise observed counts for perch height, perch diameter, insolation, and time of day, for both species. The data can be represented as a 2 x 2 x 2 x 3 x 2 contingency table.
data(lizards)
A data frame with 48 observations on the following 6 variables.
high
indicates perch at height
5 or more feet, low
indicates perch below 5 feet.large
indicates perch diameter 2 inches or more,
small
indicates perch diameter less than 2 inches.shady
or a sunny
location?early
,
late
or midday
.grahami
or opalinus
.Bishop, Y. M. M., Fienberg, S. E. and Holland, P. W. (1975) Discrete Multivariate Analysis. Cambridge, Mass.: MIT Press. Page 164.
data(lizards) ## maybe str(lizards) ; plot(lizards) ...