ppforest2::leaf Namespace Reference

Leaf creation strategies. More...

Classes
class	LeafStrategy
	Abstract strategy for creating leaf nodes. More...
class	MajorityVote
	Leaf creation by majority vote. More...
class	MeanResponse
	Leaf creation by mean response value. More...

Functions
LeafStrategy::Ptr	majority_vote ()
	Factory function for majority-vote leaf strategy.
LeafStrategy::Ptr	mean_response ()
	Factory function for mean-response leaf strategy.

Detailed Description

Leaf creation strategies.

Controls what leaf node is produced when the tree stops splitting, whether triggered by the stop rule or by a degenerate condition. The default MajorityVote returns a TreeLeaf with the most frequent class. Future strategies can return probability leaves, regression leaves, etc.

Function Documentation

majority_vote()

LeafStrategy::Ptr ppforest2::leaf::majority_vote

(

)

Factory function for majority-vote leaf strategy.

mean_response()

LeafStrategy::Ptr ppforest2::leaf::mean_response

(

)

Factory function for mean-response leaf strategy.