R apply() 패밀리

1 개요

R Apply Family

apply() Family

R apply() 패밀리

mydf <- read.table( header=TRUE, stringsAsFactors=FALSE, text="
English Math
     90   60
     80   70
     70   80
     60   90
")
sapply(mydf, mean)
## English    Math 
##      75      75
lapply(mydf, mean)
## $English
## [1] 75
## 
## $Math
## [1] 75

2 목록

• R apply()
• R lapply()
• R sapply()
• R mapply()
• R vapply()

3 같이 보기

• R rep()
• R sweep()
• R aggregate()

4 참고

• https://www.datacamp.com/community/tutorials/r-tutorial-apply-family