corpusFromGraph: Create a text corpus from graph text attribute data

In VOSONDash: User Interface for Collecting and Analysing Social Networks

Description

This function creates a text corpus from node or edge text attribute data in an igraph.

Usage

corpusFromGraph(
  g = NULL,
  txt_attr = NULL,
  type = "vertex",
  iconv = FALSE,
  html_decode = TRUE,
  rm_url = TRUE,
  rm_num = TRUE,
  rm_punct = TRUE,
  rm_twit_hashtags = FALSE,
  rm_twit_users = FALSE,
  sw_kind = "SMART",
  rm_words = NULL,
  stem = FALSE
)

Arguments

g	an igraph graph object.
txt_attr	Character string. Name of graph text attribute. Default is NULL.
type	Character string. Graph attribute type. Default is "vertex".
iconv	Logical. Use the iconv function to attempt UTF8 conversion. Default is FALSE.
html_decode	Logical. HTML decode text. Default is TRUE.
rm_url	Logical. Remove URL's. Default is TRUE.
rm_num	Logical. Remove numbers. Default is TRUE.
rm_punct	Logical. Remove punctuation. Default is TRUE.
rm_twit_hashtags	Logical. Remove twitter hashtags. Default is FALSE.
rm_twit_users	Logical. Remove twitter user names. Default is FALSE.
sw_kind	Character string. Stopword dictionary. Refer stopwords kind parameter. Default is "SMART".
rm_words	Character vector. User defined stopwords. Default is NULL.
stem	Logical. Apply word stemming. Default is FALSE.

Value

A tm text corpus object.

VOSONDash documentation built on July 27, 2020, 5:07 p.m.