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tm (version 0.5-8.1)

Text Mining Package

Description

A framework for text mining applications within R.

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Version

Install

install.packages('tm')

Monthly Downloads

54,778

Version

0.5-8.1

License

GPL (>= 2)

Maintainer

Ingo Feinerer

Last Published

December 15th, 2012

Functions in tm (0.5-8.1)

stemDocument

Stem Words
DirSource

Directory Source
readGmane

Read In a Gmane RSS Feed
acq

50 Exemplary News Articles from the Reuters-21578 XML Data Set of Topic acq
RCV1Document

RCV1 Text Document
VCorpus

Volatile Corpus
makeChunks

Split a Corpus into Chunks
readRCV1

Read In a Reuters Corpus Volume 1 Document
inspect

Inspect Objects
GmaneSource

Gmane Source
PCorpus

Permanent Corpus Constructor
getReaders

List Available Readers
Reuters21578Document

Reuters-21578 Text Document
crude

20 Exemplary News Articles from the Reuters-21578 XML Data Set of Topic crude
PlainTextDocument

Plain Text Document
getFilters

List Available Filters
Source

Access Sources
Dictionary

Dictionary
foreign

Read Document-Term Matrices
number

The Number of Rows/Columns/Dimensions/Documents/Terms of a Term-Document Matrix
TermDocumentMatrix

Term-Document Matrix
names

Row, Column, Dim Names, Document IDs, and Terms
preprocessReut21578XML

Preprocess the Reuters-21578 XML archive.
dissimilarity

Dissimilarity
getSources

List Available Sources
WeightFunction

Weighting Function
Zipf_n_Heaps

Explore Corpus Term Frequency Characteristics
TextRepository

Text Repository
tm_combine

Combine Corpora, Documents, Term-Document Matrices, and Term Frequency Vectors
XMLSource

XML Source
readDOC

Read In a MS Word Document
DataframeSource

Data Frame Source
findFreqTerms

Find Frequent Terms
materialize

Materialize Lazy Mappings
prescindMeta

Prescind Document Meta Data
URISource

Uniform Resource Identifier Source
getTokenizers

List Available Tokenizers
ReutersSource

Reuters-21578 XML Source
plot

Visualize a Term-Document Matrix
VectorSource

Vector Source
findAssocs

Find Associations in a Term-Document Matrix
TextDocument

Access and Modify Text Documents
searchFullText

Full Text Search
tm_reduce

Combine Transformations
tm_filter

Filter and Index Functions on Corpora
weightSMART

SMART Weightings
termFreq

Term Frequency Vector
readPDF

Read In a PDF Document
sFilter

Statement Filter
as.PlainTextDocument

Create Objects of Class PlainTextDocument
readPlain

Read In a Text Document
removePunctuation

Remove Punctuation Marks from a Text Document
readTabular

Read In a Text Document
stemCompletion

Complete Stems
weightTfIdf

Weight by Term Frequency - Inverse Document Frequency
readReut21578XML

Read In a Reuters-21578 XML Document
removeNumbers

Remove Numbers from a Text Document
tm_tag_score

Compute a Tag Score
weightBin

Weight Binary
FunctionGenerator

Function Generator
stopwords

Stopwords
tokenizer

Tokenizers
removeSparseTerms

Remove Sparse Terms from a Term-Document Matrix
stripWhitespace

Strip Whitespace from a Text Document
tm_intersect

Intersection between Documents and Words
writeCorpus

Write a Corpus to Disk
tm_cluster

Allow `tm' to Use a Cluster
readXML

Read In an XML Document
removeWords

Remove Words from a Text Document
meta

Meta Data Management
getTransformations

List Available Transformations
tm_map

Transformations on Corpora
weightTf

Weight by Term Frequency