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tm (version 0.7-2)

Text Mining Package

Description

A framework for text mining applications within R.

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Version

Install

install.packages('tm')

Monthly Downloads

37,471

Version

0.7-2

License

GPL-3

Maintainer

Ingo Feinerer

Last Published

November 18th, 2017

Functions in tm (0.7-2)

Corpus

Corpora
TextDocument

Text Documents
Source

Sources
DataframeSource

Data Frame Source
PlainTextDocument

Plain Text Documents
DirSource

Directory Source
Docs

Access Document IDs and Terms
SimpleCorpus

Simple Corpora
Reader

Readers
XMLSource

XML Source
ZipSource

ZIP File Source
PCorpus

Permanent Corpora
VectorSource

Vector Source
VCorpus

Volatile Corpora
WeightFunction

Weighting Function
crude

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

Uniform Resource Identifier Source
acq

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

Find Associations in a Term-Document Matrix
findMostFreqTerms

Find Most Frequent Terms
tm_combine

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

Read Document-Term Matrices
content_transformer

Content Transformers
Zipf_n_Heaps

Explore Corpus Term Frequency Characteristics
readDataframe

Read In a Text Document from a Data Frame
getTokenizers

Tokenizers
readPDF

Read In a PDF Document
getTransformations

Transformations
readReut21578XML

Read In a Reuters-21578 XML Document
removePunctuation

Remove Punctuation Marks from a Text Document
readTagged

Read In a POS-Tagged Word Text Document
removeSparseTerms

Remove Sparse Terms from a Term-Document Matrix
stripWhitespace

Strip Whitespace from a Text Document
termFreq

Term Frequency Vector
findFreqTerms

Find Frequent Terms
weightTfIdf

Weight by Term Frequency - Inverse Document Frequency
plot

Visualize a Term-Document Matrix
writeCorpus

Write a Corpus to Disk
readDOC

Read In a MS Word Document
weightSMART

SMART Weightings
readXML

Read In an XML Document
weightTf

Weight by Term Frequency
stopwords

Stopwords
removeNumbers

Remove Numbers from a Text Document
tm_reduce

Combine Transformations
tokenizer

Tokenizers
tm_term_score

Compute Score for Matching Terms
XMLTextDocument

XML Text Documents
weightBin

Weight Binary
hpc

Parallelized ‘lapply’
readPlain

Read In a Text Document
inspect

Inspect Objects
readRCV1

Read In a Reuters Corpus Volume 1 Document
TermDocumentMatrix

Term-Document Matrix
meta

Metadata Management
stemDocument

Stem Words
removeWords

Remove Words from a Text Document
stemCompletion

Complete Stems
tm_filter

Filter and Index Functions on Corpora
tm_map

Transformations on Corpora