LongCART (version 3.1)

text: Place text on SurvCART or LongCART tree

Description

Labels the current plot of the tree generated from SurvCART or LongCART object with text.

Usage

# S3 method for SurvCART
text(x, splits = TRUE, all = FALSE,
             use.n = FALSE, minlength = 1L, ...)
# S3 method for LongCART
text(x, splits = TRUE, all = FALSE,
             use.n = FALSE, minlength = 1L, ...)

Arguments

x

a fitted object of class "SurvCART", containing a survival tree, or class "LongCART", containing a longitudinal tree.

splits

similar to text.rpart; logical flag. If TRUE (default), then the splits in the tree are labeled with the criterion for the split.

all

similar to text.rpart; Logical. If TRUE, all nodes are labeled, otherwise just terminal nodes.

use.n

similar to text.rpart; Logical. If TRUE, adds n to label.

minlength

similar to text.rpart; 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.

...

arguments to be passed to or from other methods.

References

Kundu, M. G.(2020). Survival trees based on score based parameter instability test.

See Also

plot, SurvCART, LongCART

Examples

# NOT RUN {
#--- Get the data
data(GBSG2)

#numeric coding of character variables
GBSG2$horTh1<- as.numeric(GBSG2$horTh)
GBSG2$tgrade1<- as.numeric(GBSG2$tgrade)
GBSG2$menostat1<- as.numeric(GBSG2$menostat)

#Add subject id
GBSG2$subjid<- 1:nrow(GBSG2)

#--- Run SurvCART()
out<- SurvCART(data=GBSG2, patid="subjid", censorvar="cens", timevar="time", event.ind=1, 
        gvars=c('horTh1', 'age', 'menostat1', 'tsize', 'tgrade1', 'pnodes', 'progrec', 'estrec'),  
        tgvars=c(0,1,0,1,0,1, 1,1),          
        alpha=0.05, minsplit=80,  
        minbucket=40, print=TRUE)

#--- Plot tree
par(xpd = TRUE)
plot(out, compress = TRUE)
text(out, use.n = TRUE)

# }