R 왼쪽 할당연산자

1 개요

R언어 왼쪽 할당연산자

• <-, <<-, =

BOD
#  Time demand
#1    1    8.3
#2    2   10.3
#3    3   19.0
#4    4   16.0
#5    5   15.6
#6    7   19.8

a<-BOD
a$TimeIsEven<-ifelse(a$Time%%2,FALSE,TRUE)
a
#  Time demand TimeIsEven
#1    1    8.3      FALSE
#2    2   10.3       TRUE
#3    3   19.0      FALSE
#4    4   16.0       TRUE
#5    5   15.6      FALSE
#6    7   19.8      FALSE

b<-a[,c("Time","TimeIsEven")]
b
#  Time TimeIsEven
#1    1      FALSE
#2    2       TRUE
#3    3      FALSE
#4    4       TRUE
#5    5      FALSE
#6    7      FALSE

2 같이 보기

• R언어 오른쪽 할당연산자

3 참고

• https://www.tutorialspoint.com/r/r_operators.htm