tile.tree {tree} | R Documentation |
The computes a the frequencies of level of var
for cases
reaching each leaf of the tree, and pltos of barchart of the set of
frequencies underneath each leaf.
tile.tree(tree, var, screen.arg = ascr + 1, axes = TRUE)
tree |
fitted object of class "tree" . |
var |
a factor variable to be displayed: by default it is the repsonse factor of the tree. |
screen.arg |
The screen to be used: default the next after the currently active screen. |
axes |
logical flag for drawing of axes for the barplots. |
A matrix of counts of categories (rows) for each leaf (columns). The principal effect is the plot.
B. D. Ripley
library(MASS) data(fgl) fgl.tr <- tree(type ~ ., fgl) summary(fgl.tr) plot(fgl.tr); text(fgl.tr, all=T, cex=0.5) fgl.tr1 <- snip.tree(fgl.tr, node=c(108, 31, 26)) tree.screens() plot(fgl.tr1) tile.tree(fgl.tr1, fgl$type) close.screen(all = T)