getTreeranger: Get a list of structured trees for ranger

In StephanSeifert/SurrogateMinimalDepth: Surrogate minimal depth variable importance

Get a list of structured trees for ranger

Description

This functions creates a list of trees for ranger objects similar as getTree function does for random Forest objects.

Usage

getTreeranger(RF, ntree)

Arguments

RF	random forest object created by ranger (with keep.inbag=TRUE)
ntree	number of trees

Value

a list with trees. Each row of the list elements corresponds to a node of the respective tree and the columns correspond to:

• nodeID: ID of the respective node (important for left and right daughters in the next columns)

• leftdaughter: ID of the left daughter of this node

• rightdaughter: ID of the right daughter of this node

• splitvariable: ID of the split variable

• splitpoint: splitpoint of the split variable

• status: "0" for terminal and "1" for non-terminal

StephanSeifert/SurrogateMinimalDepth documentation built on Aug. 7, 2023, 1:59 a.m.