R: sentiments analysis
Revision as of 16:57, 8 November 2018 by Onnowpurbo (talk | contribs)
library(tidytext) sentiments
get_sentiments("afinn")
get_sentiments("bing")
get_sentiments("nrc")
library(janeaustenr) library(dplyr) library(stringr)
tidy_books <- austen_books() %>%
    group_by(book) %>%
    mutate(linenumber = row_number(),
           chapter = cumsum(str_detect(text, regex("^chapter [\\divxlc]",
           ignore_case = TRUE)))) %>%
           ungroup() %>%
    unnest_tokens(word, text)