"R select()"의 두 판 사이의 차이

2020년 4월 16일 (목) 00:42 기준 최신판

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"))

@@ 1번째 줄: / 1번째 줄: @@
 ==개요==
 ;R select()
-* "Select/rename variables by name"
+* "Select variables by name"
+* 이름으로 변수들을 선택하는 R 함수
 <source lang='r' run>
-library(dplyr, warn.conflicts=TRUE)
+library(dplyr, warn.conflicts=FALSE)
-select(iris, starts_with("Petal"))
+select(iris, starts_with("Sepal"))
-select(iris, ends_with("Width"))
 </source>
 <source lang='r' run>
-library(dplyr, warn.conflicts=TRUE)
+library(dplyr, warn.conflicts=FALSE)
 tb <- as_tibble(iris)
-select(tb, starts_with("Petal"))
+select(tb, starts_with("Sepal"))
-select(tb, ends_with("Width"))
 </source>
+<source lang='r' run>
+library(dplyr, warn.conflicts=FALSE)
+tb <- as_tibble(iris)
+select(tb, -starts_with("Sepal"))
+</source>
+==함께 쓰면 유용한 함수들==
+{{z컬럼3|
+* [[R starts_with()]]
+* [[R ends_with()]]
+* [[R contains()]]
+* [[R matches()]]
+* [[R num_range()]]
+* [[R one_of()]]
+* [[R everything()]]
+}}
 ==같이 보기==