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data.tree (version 1.1.0)

General Purpose Hierarchical Data Structure

Description

Create tree structures from hierarchical data, and traverse the tree in various orders. Aggregate, cumulate, print, plot, convert to and from data.frame and more. Useful for decision trees, machine learning, finance, conversion from and to JSON, and many other applications.

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Version

Install

install.packages('data.tree')

Monthly Downloads

11,631

Version

1.1.0

License

GPL (>= 2)

Issues

13

Pull Requests

1

Stars

207

Forks

40

Maintainer

Christoph Glur

Last Published

November 12th, 2023

Functions in data.tree (1.1.0)

Distance

Find the distance between two nodes of the same tree
GetPhyloNr

Determine the number a Node has after conversion to a phylo object
NODE_RESERVED_NAMES_CONST

Names that are reserved by the Node class.
Revert

Reverts the sort order of a Node's children.
Prune

Prunes a tree.
Climb

Climb a tree from parent to children, by provided criteria.
as.Node.BinaryTree

Convert a a SplitNode from the party package to a data.tree structure.
acme

Sample Data: A Simple Company with Departments
Navigate

Navigate to another node by relative path.
CreateRandomTree

Create a tree for demo and testing
Do

Executes a function on a set of nodes
GetAttribute

Get an attribute from a Node.
as.igraph.Node

Convert a data.tree structure to an igraph network
as.dendrogram.Node

Convert a Node to a dendrogram
Get

Traverse a Tree and Collect Values
as.Node.dendrogram

Convert a dendrogram to a data.tree Node
mushroom

Sample Data: Data Used by the ID3 Vignette
as.Node.list

Convert a nested list structure to a data.tree structure
s3_register

Register a method for a suggested dependency
print.Node

Print a Node in a human-readable fashion.
FormatFixedDecimal

Format a Number as a Decimal
FormatPercent

Format a Number as a Percentage
FindNode

Find a node by name in the (sub-)tree
as.Node

Convert an object to a data.tree data structure
plot.Node

Plot a graph, or get a graphviz dot representation of the tree
Sort

Sort children of a Node or an entire data.tree structure
Traverse

Traverse a tree or a sub-tree
ToNewick

Write a data.tree structure to Newick notation
as.Node.data.frame

Convert a data.frame to a data.tree structure
Set

Traverse a Tree and Assign Values
SetFormat

Set a formatter function on a specific node
as.Node.party

Convert a a party from the partykit package to a data.tree structure.
Node

Create a data.tree Structure With Nodes
isLeaf

Check if a Node is a leaf
isNotLeaf

Check if a Node is not a leaf
as.Node.phylo

Convert a phylo object from the ape package to a Node
as.list.Node

Convert a data.tree structure to a list-of-list structure
as.Node.rpart

Convert an rpart object to a data.tree structure
as.data.frame.Node

Convert a data.tree structure to a data.frame
isNotRoot

Check if a Node is not a root
as.phylo.Node

Convert a Node to a phylo object from the ape package.
isRoot

Check if a Node is the root
data.tree

data.tree: Hierarchical Data Structures
averageBranchingFactor

Calculate the average number of branches each non-leaf has
DefaultPlotHeight

Calculates the height of a Node given the height of the root.
Cumulate

Cumulate values among siblings
AreNamesUnique

Test whether all node names are unique.
Clone

Clone a tree (creates a deep copy)
CheckNameReservedWord

Checks whether name is a reserved word, as defined in NODE_RESERVED_NAMES_CONST.
CreateRegularTree

Create a tree for demo and testing
Aggregate

Aggregate child values of a Node, recursively.