decisiontree

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v0.0.0-...-7d47eef Latest Latest Go to latest Published: Apr 12, 2023 License: Apache-2.0, MIT Imports: 4 Imported by: 0

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Package decisiontree contains utilities to handle decision trees.

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const DefaultNodeFilename = "nodes"

DefaultNodeFilename is the default filename to store nodes.

This section is empty.

This section is empty.

type Forest struct {
	Trees []*Tree
}

Forest is a collection of trees.

func LoadForest(basePath string, numShards int, format string, numTrees int) (*Forest, error)

LoadForest loads a forest from disk.

func (f *Forest) NumLeafs() int

NumLeafs is the number of leafs in the forest.

func (f *Forest) NumNonLeafs() int

NumNonLeafs is the number of non-leaf nodes in the forest.

type Node struct {
	RawNode       *pb.Node
	PositiveChild *Node
	NegativeChild *Node
}

Node is a tree node.

func (n *Node) IsLeaf() bool

IsLeaf tests if a node is a leaf.

func (n *Node) NumLeafs() int

NumLeafs is the number of leafs in a sub-tree.

func (n *Node) NumNonLeafs() int

NumNonLeafs is the number of non-leaf nodes in a sub-tree.

type Tree struct {
	// Root node of the tree. nil if the tree is empty.
	Root *Node
}

Tree is a decision tree.

Path	Synopsis
io Package io contains utilities to load/save decision trees	Package io contains utilities to load/save decision trees
blobsequence Package blobsequence implement node reading from blob sequence files.	Package blobsequence implement node reading from blob sequence files.
canonical Package canonical registers the "canonical" ways to read tree nodes.	Package canonical registers the "canonical" ways to read tree nodes.
proto Package proto includes all proto definitions used in the golang package in one large package.	Package proto includes all proto definitions used in the golang package in one large package.