Lizard behaviour
In a study of lizard behaviour, characteristics of 409 lizards were recorded, namely species (S), perch diameter (D) and perch height (H). The focus of interest is in how the propensities of the lizards to choose perch height and diameter are related, and whether and how these depend on species.
data(lizard)
A 3–dimensional array with factors diam: "<=4" ">4" height: ">4.75" "<=4.75" species: "anoli" "dist"
Schoener TW (1968) The anolis lizards of bimini: Resource partitioning in a complex fauna. Ecology 49:704-726
data(lizard) # Datasets lizardRAW and lizardDF are generated with the following code #lizardAGG <- as.data.frame(lizard) #f <- lizardAGG$Freq #idx <- unlist(mapply(function(i, n) rep(i, n), 1:8, f)) #set.seed(0805) #idx <- sample(idx) #lizardRAW <- as.data.frame(lizardAGG[idx, 1:3]) #rownames(lizardRAW) <- 1:NROW(lizardRAW)
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