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data.tree (version 0.7.4)

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

28,904

Version

0.7.4

License

GPL (>= 2)

Issues

16

Pull Requests

2

Stars

212

Forks

41

Maintainer

Christoph Glur

Last Published

January 6th, 2018

Functions in data.tree (0.7.4)

Clone

Clone a tree (creates a deep copy)
CreateRandomTree

Create a tree for demo and testing
Navigate

Navigate to another node by relative path.
Node

Create a data.tree Structure With Nodes
as.phylo.Node

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

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

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

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

Convert a phylo object from the ape package to a Node
isNotLeaf

Check if a Node is not a leaf
isNotRoot

Check if a Node is not a root
Aggregate

Aggregate child values of a Node, recursively.
AreNamesUnique

Test whether all node names are unique.
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
data.tree

data.tree: Hierarchical Data Structures
isLeaf

Check if a Node is a leaf
Do

Executes a function on a set of nodes
FindNode

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

Write a data.tree structure to Newick notation
Traverse

Traverse a tree or a sub-tree
as.data.frame.Node

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

Convert a Node to a dendrogram
isRoot

Check if a Node is the root
mushroom

Sample Data: Data Used by the ID3 Vignette
DefaultPlotHeight

Calculates the height of a Node given the height of the root.
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.
as.Node.data.frame

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

Sample Data: A Simple Company with Departments
as.Node.BinaryTree

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

Convert an object to a data.tree data structure
CreateRegularTree

Create a tree for demo and testing
Cumulate

Cumulate values among siblings
Prune

Prunes a tree.
Revert

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

Format a Number as a Decimal
Get

Traverse a Tree and Collect Values
FormatPercent

Format a Number as a Percentage
GetAttribute

Get an attribute from a Node.
Sort

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

Plot a graph, or get a graphviz dot representation of the tree
as.Node.dendrogram

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

Convert a nested list structure to a data.tree structure
print.Node

Print a Node in a human-readable fashion.