extreme_docs: extreme_docs
In R.temis: Integrated Text Mining Solution

Description Usage Arguments Details Value Examples

Print documents which have the most extreme coordinations on an axis of correspondence analysis.

1	extreme_docs(corpus, ca, axis, ndocs = 10, nterms = 25)

`corpus`	A `Corpus` object.
`ca`	A `CA` object.
`axis`	The CA axis to consider.
`ndocs`	The number of (most contributive) documents to print.
`nterms`	The number of terms to highlight in documents.

Occurrences of the nterms most extreme terms are highlighted. If stemming or other transformations have been applied to original words using combine_terms, all original words which have been transformed to the specified terms are highlighted.

Corpus object (invisibly).

file <- system.file("texts", "reut21578-factiva.xml", package="tm.plugin.factiva")
corpus <- import_corpus(file, "factiva", language="en")
dtm <- build_dtm(corpus)
ca <- corpus_ca(corpus, dtm)
contributive_docs(corpus, ca, 1)

# Also works when terms have been combined
dict <- dictionary(dtm)
dtm2 <- combine_terms(dtm, dict)
ca2 <- corpus_ca(corpus, dtm2)
extreme_docs(corpus, ca2, 1)