> a<-c("Tom", "Yoon", "Kim") #chr

> b<-c(pi, "pi", 3.14) #chr

> c<-c(3.14, pi, TRUE) #num

> d<-c("A", "B") #chr

>

> pi

[1] 3.141593

>

> mode(pi) #numeric

[1] "numeric"


+ Recent posts