R: tidytext Jane Austen Book: Difference between revisions
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Onnowpurbo (talk | contribs) Created page with " library(janeaustenr) library(dplyr) library(stringr) original_books <- austen_books() %>% group_by(book) %>% mutate(linenumber = row_number(), chapter =..." |
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| Line 11: | Line 11: | ||
ungroup() | ungroup() | ||
original_books | original_books | ||
# konversi ke token | # konversi ke token | ||
| Line 19: | Line 18: | ||
unnest_tokens(word, text) | unnest_tokens(word, text) | ||
tidy_books | tidy_books | ||
# buang stopwords | # buang stopwords | ||
| Line 26: | Line 24: | ||
tidy_books <- tidy_books %>% | tidy_books <- tidy_books %>% | ||
anti_join(stop_words) | anti_join(stop_words) | ||
# count | # count | ||
| Line 44: | Line 41: | ||
xlab(NULL) + | xlab(NULL) + | ||
coord_flip() | coord_flip() | ||
==Pranala Menarik== | ==Pranala Menarik== | ||
* [[R]] | * [[R]] | ||
Latest revision as of 02:36, 6 November 2018
library(janeaustenr)
library(dplyr)
library(stringr)
original_books <- austen_books() %>%
group_by(book) %>%
mutate(linenumber = row_number(),
chapter = cumsum(str_detect(text, regex("^chapter [\\divxlc]",
ignore_case = TRUE)))) %>%
ungroup()
original_books
# konversi ke token # library(tidytext) tidy_books <- original_books %>% unnest_tokens(word, text) tidy_books
# buang stopwords # data(stop_words) tidy_books <- tidy_books %>% anti_join(stop_words)
# count # tidy_books %>% count(word, sort = TRUE)
# visualisasi # library(ggplot2) tidy_books %>% count(word, sort = TRUE) %>% filter(n > 600) %>% mutate(word = reorder(word, n)) %>% ggplot(aes(word, n)) + geom_col() + xlab(NULL) + coord_flip()
