kumulant
kumulant/com.eignex.kumulant.stat.regression.tree/GiniReduction

GiniReduction

@Serializable
@SerialName(value = "GiniReduction")
data object GiniReduction : ClassificationSplitMetric(source)

Weighted Gini-impurity reduction. The classic CART classification criterion.

Functions

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open override fun score(total: ClassCountsResult, pos: ClassCountsResult, neg: ClassCountsResult): Double

Score a candidate split given the leaf's total / pos / neg class counts.

score

open override fun score(total: ClassCountsResult, pos: ClassCountsResult, neg: ClassCountsResult): Double(source)

Score a candidate split given the leaf's total / pos / neg class counts.