RegTree

All Superinterfaces:: Serializable

All Known Implementing Classes:: RegTreeImpl

public interface RegTree extends Serializable

Regression tree.

Method Summary

Modifier and Type

Method

Description

int

getLeafIndex(FVec feat)

Retrieves nodes from root to leaf and returns leaf index.

void

getLeafPath(FVec feat, StringBuilder sb)

Retrieves nodes from root to leaf and returns path to leaf.

float

getLeafValue(FVec feat, int root_id)

Retrieves nodes from root to leaf and returns leaf value.

RegTreeNode[]

getNodes()

RegTreeNodeStat[]

getStats()

Method Details
- getLeafIndex
  
  int getLeafIndex(FVec feat)
  
  Retrieves nodes from root to leaf and returns leaf index.
  
  Parameters:
  
  feat - feature vector
  
  Returns:
  
  leaf index
- getLeafPath
  
  void getLeafPath(FVec feat, StringBuilder sb)
  
  Retrieves nodes from root to leaf and returns path to leaf.
  
  Parameters:
  
  feat - feature vector
  
  sb - output param, will write path path to leaf into this buffer
- 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
- getStats
  
  RegTreeNodeStat[] getStats()
  
  Returns:
  
  Tree's nodes stats