node1: Dichotomize via 1st Node of Recursive Partitioning

In maxEff: Additional Predictor with Maximum Effect Size

Dichotomize via 1st Node of Recursive Partitioning

Description

Dichotomize via 1st Node of Recursive Partitioning

Usage

node1(object, nm = as.symbol(rownames(s)[1L]), ...)

Arguments

object	an rpart.object
nm	symbol, or name, of the variable being partitioned
...	additional parameters, currently not in use

Value

The function node1() returns an object of class 'node1', which is a function with one parameter newx taking a double vector.

Note

In future integer and factor predictors will be supported.

References

https://tingtingzhan.quarto.pub/groupedhyperframe/object/node1.html

Examples

rpart::rpart(
 formula = survival::Surv(pgtime, pgstat) ~ age, 
 data = rpart::stagec[1:135,], 
 cp = .Machine$double.eps, maxdepth = 2L
) |>
 node1()

maxEff documentation built on March 3, 2026, 1:07 a.m.