R: sentiments analysis: Difference between revisions

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Line 16: Line 16:
  tidy_books <- austen_books() %>%
  tidy_books <- austen_books() %>%
     group_by(book) %>%
     group_by(book) %>%
        mutate(linenumber = row_number(),
    mutate(linenumber = row_number(),
              chapter = cumsum(str_detect(text, regex("^chapter [\\divxlc]",
            chapter = cumsum(str_detect(text, regex("^chapter [\\divxlc]",
              ignore_case = TRUE)))) %>%
            ignore_case = TRUE)))) %>%
              ungroup() %>%
            ungroup() %>%
        unnest_tokens(word, text)
    unnest_tokens(word, text)
 
 
 
 


==Pranala Menarik==
==Pranala Menarik==


* [[R]]
* [[R]]

Revision as of 09:57, 8 November 2018


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)



Pranala Menarik