stopwords: Stopwords

Description

Return various kinds of stopwords with support for different languages.

Usage

stopwords(kind = "en")

Arguments

kind

A character string identifying the desired stopword list.

Value

is raised if no stopwords are available for the requested kind.

Details

Available stopword lists are:

catalan: Catalan stopwords (obtained from http://latel.upf.edu/morgana/altres/pub/ca_stop.htm),
romanian: Romanian stopwords (extracted from http://snowball.tartarus.org/otherapps/romanian/romanian1.tgz),
SMART: English stopwords from the SMART information retrieval system (obtained from http://jmlr.csail.mit.edu/papers/volume5/lewis04a/a11-smart-stop-list/english.stop) (which coincides with the stopword list used by the MC toolkit (http://www.cs.utexas.edu/users/dml/software/mc/)),

and a set of stopword lists from the Snowball stemmer project in different languages (obtained from http://svn.tartarus.org/snowball/trunk/website/algorithms/*/stop.txt). Supported languages are danish, dutch, english, finnish, french, german, hungarian, italian, norwegian, portuguese, russian, spanish, and swedish. Language names are case sensitive. Alternatively, their IETF language tags may be used.

Examples

stopwords("en")
stopwords("SMART")
stopwords("german")