getRelevant: Get Relevant Part from Text Document. Search for the first...

In tm.plugin.sentiment: Text corpus sentiment analysis

Description

Get Relevant Part from Text Document. Search for the first and last occurence of items in Text Document, get sentence boundaries and extract text. Function can be used in tm_map wrapper

Usage

  getRelevant(td, items, boundaries, matches.only = FALSE,
    fieldname = "matches")

Arguments

td	TextDocument
items	character vector of items to be searched, eg. c("Microsoft", "MSFT")
boundaries	defined sentence boundaries in perl-regex syntax
matches.only	Return number of matches only
matches	only should only matches be annotated, defaults to FALSE
fieldname	name which should be used for meta field in Text Document to be annotated

Author(s)

Mario Annau

See Also

tm_map

tm.plugin.sentiment documentation built on May 2, 2019, 6:52 p.m.