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data.tree (version 0.7.11)

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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Install

install.packages('data.tree')

Monthly Downloads

44,671

Version

0.7.11

License

GPL (>= 2)

Issues

22

Pull Requests

0

Stars

214

Forks

41

Maintainer

Christoph Glur

Last Published

November 9th, 2019

Functions in data.tree (0.7.11)

Aggregate

Aggregate child values of a Node, recursively.
isNotLeaf

Check if a Node is not a leaf
AreNamesUnique

Test whether all node names are unique.
CreateRandomTree

Create a tree for demo and testing
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.
Clone

Clone a tree (creates a deep copy)
as.data.frame.Node

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

Convert an rpart object to a data.tree structure
print.Node

Print a Node in a human-readable fashion.
mushroom

Sample Data: Data Used by the ID3 Vignette
s3_register

Register a method for a suggested dependency
FindNode

Find a node by name in the (sub-)tree
Do

Executes a function on a set of nodes
FormatFixedDecimal

Format a Number as a Decimal
Prune

Prunes a tree.
CheckNameReservedWord

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

Get an attribute from a Node.
FormatPercent

Format a Number as a Percentage
ToNewick

Write a data.tree structure to Newick notation
acme

Sample Data: A Simple Company with Departments
Traverse

Traverse a tree or a sub-tree
as.Node.BinaryTree

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

Calculate the average number of branches each non-leaf has
as.Node

Convert an object to a data.tree data structure
Revert

Reverts the sort order of a Node's children.
as.Node.data.frame

Convert a data.frame to a data.tree structure
as.dendrogram.Node

Convert a Node to a dendrogram
data.tree

data.tree: Hierarchical Data Structures
as.Node.list

Convert a nested list structure to a data.tree structure
as.Node.dendrogram

Convert a dendrogram to a data.tree Node
as.igraph.Node

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

Convert a data.tree structure to a list-of-list structure
Sort

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

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

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

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

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

Create a data.tree Structure With Nodes
plot.Node

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

Navigate to another node by relative path.
isNotRoot

Check if a Node is not a root
isRoot

Check if a Node is the root
Cumulate

Cumulate values among siblings
CreateRegularTree

Create a tree for demo and testing
DefaultPlotHeight

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

Find the distance between two nodes of the same tree
SetFormat

Set a formatter function on a specific node
Set

Traverse a Tree and Assign Values
isLeaf

Check if a Node is a leaf
Get

Traverse a Tree and Collect Values