tree: plot.tree – R documentation

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plot.tree

Plot a Tree Object

Description

Plot a tree object on the current graphical device

Usage

## S3 method for class 'tree'
plot(x, y = NULL, type = c("proportional", "uniform"), ...)

Arguments

`x`	an object of class `"tree"`.
`y`	ignored. Used for positional matching of `type`.
`type`	character string. If this partially matches `"uniform"`, the branches are of uniform length. Otherwise they are proportional to the decrease in impurity.
`...`	graphical parameters.

Value

An (invisible) list with components x and y giving the coordinates of the tree nodes.

As a side effect, the value of type == "uniform" is stored in the variable .Tree.unif.? in the global environment, where ? is the device number.

Author(s)

B. D. Ripley