Docs: Access Document IDs and Terms

In tm: Text Mining Package

Description

Accessing document IDs, terms, and their number of a term-document matrix or document-term matrix.

Usage

Docs(x)
nDocs(x)
nTerms(x)
Terms(x)

Arguments

x	Either a TermDocumentMatrix or DocumentTermMatrix.

Value

For Docs and Terms, a character vector with document IDs and terms, respectively.

For nDocs and nTerms, an integer with the number of document IDs and terms, respectively.

Examples

data("crude")
tdm <- TermDocumentMatrix(crude)[1:10,1:20]
Docs(tdm)
nDocs(tdm)
nTerms(tdm)
Terms(tdm)

Example output

Loading required package: NLP
 [1] "127" "144" "191" "194" "211" "236" "237" "242" "246" "248" "273" "349"
[13] "352" "353" "368" "489" "502" "543" "704" "708"
[1] 20
[1] 10
 [1] "\"(it)"      "\"demand"    "\"expansion" "\"for"       "\"growth"   
 [6] "\"if"        "\"is"        "\"may"       "\"none"      "\"opec"     

tm documentation built on April 7, 2021, 3:01 a.m.