R: Split Screen for Plotting Trees

tree.screens {tree} | R Documentation

## Split Screen for Plotting Trees

### Description

Splits the screen in a way suitable for using `tile.tree`.

### Usage

    tree.screens(figs, screen.arg = 0, ...)

### Arguments

`figs` | A specification of the split of the screen. See `split.screen` for the allowed forms.
`screen.arg` | the screen to divide, by default the whole display area.
`...` | plot parameters to be passed to `par`.

### Value

A vector of screen numbers for the newly-created screens.

### Author(s)

B. D. Ripley

### See Also

`tile.tree`, `split.screen`

### Examples

    data(fgl, package="MASS")
    fgl.tr <- tree(type ~ ., fgl)
    summary(fgl.tr)
    plot(fgl.tr);  text(fgl.tr, all=TRUE, 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 = TRUE)

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