charfreq: Count frequency of a word or punctuation mark in a text

In Amherst-Statistics/katherinemansfieldr: A Package for Text Mining Katherine Mansfield's Short Stories

Description

Matches a vector of target words/punctuation marks to a larger vector of words/punctuation marks and counts how many times that particular word or punctuation marks occurs in the larger string. Returns a data table with the matched words or punctuation marks with their number the occurrances in the larger string.

Usage

charfreq(characters, char.list, punctuation = FALSE)

Arguments

characters	Large vector of words/punctuation marks to be matched with a smaller list of desired words/characters.
char.list	Vector of target words/punctuation marks to be matched with the larger vector of words/characters
punctuation	Boolean that determines whether to convert punctuation marks into words in final output table

Note

the accepted punctuation marks are commas, periods, semicolons, question marks exclamation points, quotation marks (forward and backward), ellipses and em-dashes.

to match quotation marks, use Unicode characters for right (u201D) and left (u201C) quotation marks.

Examples

char <- extract_token(gardenParty)
charfreq(char, c("she", "he", "them"), punctuation = FALSE)

char <- extract_punct(gardenParty)
charfreq(char, c(".", "...", "?"), punctuation = TRUE)

Amherst-Statistics/katherinemansfieldr documentation built on May 5, 2019, 4:55 a.m.