Nothing
## ----setup, include = FALSE---------------------------------------------------
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>",
message = FALSE,
warning = FALSE
)
## ----basics-------------------------------------------------------------------
library(gutenbergr)
library(dplyr)
gutenberg_metadata
## ----filter-------------------------------------------------------------------
gutenberg_metadata %>%
filter(title == "Persuasion")
## ----works--------------------------------------------------------------------
gutenberg_works()
## ----Austen-------------------------------------------------------------------
gutenberg_works(author == "Austen, Jane")
# or with a regular expression
library(stringr)
gutenberg_works(str_detect(author, "Austen"))
## ----load 1 file, echo=FALSE--------------------------------------------------
f105 <- system.file("extdata", "105.zip", package = "gutenbergr")
persuasion <- gutenberg_download(105,
files = f105,
mirror = "http://aleph.gutenberg.org"
)
## ----load 1 from web, eval = FALSE--------------------------------------------
# persuasion <- gutenberg_download(105)
## ----display persuasion-------------------------------------------------------
persuasion
## ----load 2 from file, echo=FALSE---------------------------------------------
f109 <- system.file("extdata", "109.zip", package = "gutenbergr")
books <- gutenberg_download(c(109, 105),
meta_fields = "title",
files = c(f109, f105),
mirror = "http://aleph.gutenberg.org"
)
## ----load 2 from web, eval = FALSE--------------------------------------------
# books <- gutenberg_download(c(109, 105), meta_fields = "title")
## ----display books------------------------------------------------------------
books
## ----count books--------------------------------------------------------------
books %>%
count(title)
## ----subjects-----------------------------------------------------------------
gutenberg_subjects
## ----filter subjects----------------------------------------------------------
gutenberg_subjects %>%
filter(subject == "Detective and mystery stories")
gutenberg_subjects %>%
filter(grepl("Holmes, Sherlock", subject))
## ----authors------------------------------------------------------------------
gutenberg_authors
## ----tidytext-----------------------------------------------------------------
library(tidytext)
words <- books %>%
unnest_tokens(word, text)
words
word_counts <- words %>%
anti_join(stop_words, by = "word") %>%
count(title, word, sort = TRUE)
word_counts
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