RegTree

Full name Microsoft.VisualBasic.MachineLearning.XGBoost.tree.RegTree Assembly Microsoft.VisualBasic.MachineLearning.XGBoost Members 3

Regression tree.

01 Syntax

Microsoft.VisualBasic.MachineLearning.XGBoost.tree.RegTree

02 Methods

Name	Overloads	Summary
loadModel	1	Loads model from stream.
getLeafIndex	1	Retrieves nodes from root to leaf and returns leaf index.
getLeafValue	1	Retrieves nodes from root to leaf and returns leaf value.

03 Members

method loadModel #

Loads model from stream.

Parameters

Name	Type	Description
`reader`	ModelReader	input stream

method getLeafIndex #

getLeafIndex(FVec, Int32)

Retrieves nodes from root to leaf and returns leaf index.

Parameters

Name	Type	Description
`feat`	FVec	feature vector
`root_id`	`Int32`	starting root index

Returns

leaf index

method getLeafValue #

getLeafValue(FVec, Int32)

Retrieves nodes from root to leaf and returns leaf value.

Parameters

Name	Type	Description
`feat`	FVec	feature vector
`root_id`	`Int32`	starting root index

Returns

leaf value