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Table 7 Computational complexity of RFs

From: Data-driven multinomial random forest: a new random forest variant with strong consistency

RF variants

Complexity

BreimanRF

\({\mathcal{O}}(\sqrt D nM\log n)\)

BRF

\({\mathcal{O}}((p_{1} + (1 - p_{1} )\sqrt D )(1 - p_{2} )nM\log n)\)

DMRF

\({\mathcal{O}}(\sqrt D nM\log n\)

Denil14

\({\mathcal{O}}(\min (1 + Poisson(\lambda ),D) \cdot mM\log n)\)

MRF

\({\mathcal{O}}(DnM\log n)\)