biz.k11i.xgboost.tree

Interface RegTree

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

RegTreeImpl

public interface RegTree
extends java.io.Serializable

Regression tree.

Method Summary

Methods

Modifier and Type	Method and Description
int	getLeafIndex(FVec feat, int root_id) Retrieves nodes from root to leaf and returns leaf index.
float	getLeafValue(FVec feat, int root_id) Retrieves nodes from root to leaf and returns leaf value.
RegTreeNode[]	getNodes()

Method Detail

getLeafIndex

int getLeafIndex(FVec feat,
               int root_id)

Retrieves nodes from root to leaf and returns leaf index.

Parameters:

feat - feature vector

root_id - starting root index

Returns:

leaf index

getLeafValue

float getLeafValue(FVec feat,
                 int root_id)

Retrieves nodes from root to leaf and returns leaf value.

Parameters:

feat - feature vector

root_id - starting root index

Returns:

leaf value

getNodes

RegTreeNode[] getNodes()

Returns:

Tree's nodes