text.tree

0th

Percentile

Annotate a Tree Plot

Add text to a tree plot.

Keywords
hplot, tree
Usage
# S3 method for tree
text(x, splits = TRUE, label = "yval", all = FALSE,
     pretty = NULL, digits = getOption("digits") - 3, 
     adj = par("adj"), xpd = TRUE, ...)
Arguments
x

an object of class "tree"

splits

logical. If TRUE the splits are labelled

label

The name of column in the frame component of x, to be used to label the nodes. Can be NULL to suppress node-labelling

all

logical. By default, only the leaves are labelled, but if true interior nodes are also labelled.

pretty

the manipulation used for split labels involving attributes. See Details.

digits

significant digits for numerical labels.

adj, xpd, …

graphical parameters such as cex and font.

Details

If pretty = 0 then the level names of a factor split attributes are used unchanged. If pretty = NULL, the levels are presented by a, b, … z, 05. If pretty is a positive integer, abbreviate is applied to the labels with that value for its argument minlength.

If the lettering is vertical (par srt = 90) and adj is not supplied it is adjusted appropriately.

Value

None.

See Also

plot.tree

Aliases
  • text.tree
Examples
# NOT RUN {
ir.tr <- tree(Species ~., iris)
plot(ir.tr)
text(ir.tr)
# }
Documentation reproduced from package tree, version 1.0-40, License: GPL-2 | GPL-3

Community examples

Looks like there are no examples yet.