개요
- rvest
- 알베스트
- "Easily Harvest (Scrape) Web Pages" → 쉬운 웹페이지 수집
library(rvest)
lego_movie <- read_html("http://www.imdb.com/title/tt1490017/")
rating <- lego_movie %>%
html_nodes("strong span") %>%
html_text() %>%
as.numeric()
rating
#> [1] 7.8
cast <- lego_movie %>%
html_nodes("#titleCast .primary_photo img") %>%
html_attr("alt")
cast
#> [1] "Will Arnett" "Elizabeth Banks" "Craig Berry"
#> [4] "Alison Brie" "David Burrows" "Anthony Daniels"
#> [7] "Charlie Day" "Amanda Farinos" "Keith Ferguson"
#> [10] "Will Ferrell" "Will Forte" "Dave Franco"
#> [13] "Morgan Freeman" "Todd Hansen" "Jonah Hill"
poster <- lego_movie %>%
html_nodes(".poster img") %>%
html_attr("src")
poster
#> [1] "https://m.media-amazon.com/images/M/MV5BMTg4MDk1ODExN15BMl5BanBnXkFtZTgwNzIyNjg3MDE@._V1_UX182_CR0,0,182,268_AL_.jpg"