R 문자형(character)정의하기, 확인하기

R 문자형(character)정의하기, 확인하기

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1. 문자형 정의하기

a=c("hi","123","good")

#2. 문자형 확인하기

class(a)

mode(a)

str(a)

typeof(a)

is.character(a)

> 실행결과

> class(a)

[1] "character"

> mode(a)

[1] "character"

> str(a)

 chr [1:3] "hi" "123" "good"

> typeof(a)

[1] "character"

> is.character(a)

[1] TRUE