jiebaR (version 0.6)

keywords: Keyword extraction

Description

Keyword Extraction worker uses MixSegment model to cut word and uses TF-IDF algorithm to find the keywords. dict , hmm, idf, stop_word and topn should be provided when initializing jiebaR worker.

Usage

keywords(code, jiebar)

vector_keywords(code, jiebar)

Arguments

code

A Chinese sentence or the path of a text file.

jiebar

jiebaR Worker.

Value

• a vector of keywords with weight.

Details

There is a symbol <=< code=""> for this function.

References

http://en.wikipedia.org/wiki/Tf-idf

See Also

<=.keywords< a=""> worker

Examples

### Keyword Extraction
keys = worker("keywords", topn = 1)
keys <= "words of fun"