# text.rpart

##### Place Text on a Dendrogram Plot

Labels the current plot of the tree dendrogram with text.

- Keywords
- tree

##### Usage

```
# S3 method for rpart
text(x, splits = TRUE, label, FUN = text, all = FALSE,
pretty = NULL, digits = getOption("digits") - 3, use.n = FALSE,
fancy = FALSE, fwidth = 0.8, fheight = 0.8, bg = par("bg"),
minlength = 1L, …)
```

##### Arguments

- x
fitted model object of class

`"rpart"`

. This is assumed to be the result of some function that produces an object with the same named components as that returned by the`rpart`

function.- splits
logical flag. If

`TRUE`

(default), then the splits in the tree are labeled with the criterion for the split.- label
For compatibility with

`rpart2`

, ignored in this version (with a warning).- FUN
the name of a labeling function, e.g.

`text`

.- all
Logical. If

`TRUE`

, all nodes are labeled, otherwise just terminal nodes.- minlength
the length to use for factor labels. A value of 1 causes them to be printed as ‘a’, ‘b’, ….. Larger values use abbreviations of the label names. See the

`labels.rpart`

function for details.- pretty
an alternative to the

`minlength`

argument, see`labels.rpart`

.- digits
number of significant digits to include in numerical labels.

- use.n
Logical. If

`TRUE`

, adds to label (\#events level1/ \#events level2/etc. for`class`

,`n`

for`anova`

, and \#events/n for`poisson`

and`exp`

).- fancy
Logical. If

`TRUE`

, nodes are represented by ellipses (interior nodes) and rectangles (leaves) and labeled by`yval`

. The edges connecting the nodes are labeled by left and right splits.- fwidth
Relates to option

`fancy`

and the width of the ellipses and rectangles. If`fwidth < 1`

then it is a scaling factor (default = 0.8). If`fwidth > 1`

then it represents the number of character widths (for current graphical device) to use.- fheight
Relates to option

`fancy`

and the height of the ellipses and rectangles. If`fheight <1`

then it is a scaling factor (default = 0.8). If`fheight > 1`

then it represents the number of character heights (for current graphical device) to use.- bg
The color used to paint the background to annotations if

`fancy = TRUE`

.- …
Graphical parameters may also be supplied as arguments to this function (see

`par`

). As labels often extend outside the plot region it can be helpful to specify`xpd = TRUE`

.

##### Side Effects

the current plot of a tree dendrogram is labeled.

##### See Also

##### Examples

```
# NOT RUN {
freen.tr <- rpart(y ~ ., freeny)
par(xpd = TRUE)
plot(freen.tr)
text(freen.tr, use.n = TRUE, all = TRUE)
# }
```

*Documentation reproduced from package rpart, version 4.1-15, License: GPL-2 | GPL-3*