R select()

1 개요

R select()

• "Select variables by name"
• 이름으로 변수들을 선택하는 R 함수

library(dplyr, warn.conflicts=FALSE)
select(iris, starts_with("Sepal"))

library(dplyr, warn.conflicts=FALSE)
tb <- as_tibble(iris)
select(tb, starts_with("Sepal"))

library(dplyr, warn.conflicts=FALSE)
tb <- as_tibble(iris)
select(tb, -starts_with("Sepal"))

2 함께 쓰면 유용한 함수들

• R starts_with()
• R ends_with()
• R contains()
• R matches()
• R num_range()
• R one_of()
• R everything()

3 같이 보기

• R arrange()
• R filter()
• R mutate()
• R slice()
• R summarise()
• R rename()
• R dplyr

4 참고

• https://www.rdocumentation.org/packages/dplyr/versions/0.7.8/topics/select