CARTHyperparameters

Properties

cp

number | object≥ 0

Complexity parameter.

maxdepth

integer | object≥ 1≤ 30

Maximum depth of tree (rpart limit: 30).

minsplit

integer | object≥ 1

Minimum number of observations in a node to attempt a split.

minbucket

integer | object≥ 1

Minimum number of observations in a terminal node.

prune_cp

number | object | null≥ 0

Complexity for cost-complexity pruning after the tree is built.

method

string

Splitting method. auto = set from outcome type.

one of"auto""anova""class""poisson""exp"

model

boolean

Keep a copy of the model frame in the result.

maxcompete

integer≥ 0

Number of competitor splits retained in the output.

maxsurrogate

integer≥ 0

Number of surrogate splits retained in the output.

usesurrogate

integer≥ 0≤ 2

How to use surrogates in the splitting process.

surrogatestyle

integer≥ 0≤ 1

Controls the selection of the best surrogate.

xval

integer≥ 0

Number of rpart-internal cross-validation folds.

cost

array | null≥ 1 items

Variable costs. Must have one value per feature.

ifw

boolean | object

Inverse Frequency Weighting in classification.

Relationships