#> Error in eval(expr, envir, enclos): object 'x' not found
‘실행 취소’는 없다. 따라서 한번 변수가 사라지면, 영원히 없어진 것이다. 한번에 여
러 변수를 제거할 수도 있다.
rm(x, y, z)
작업공간 전체를 한번에 삭제할 수도 있다.
rm
함수는 변수 이름들의 벡터로 이루어
진
list
인자에 지정되어 있는 변수들을 삭제한다.
ls
함수가 변수 이름들의 벡터를
반환했던 것을 기억하면,
rm
과
ls
를 합쳐서 모든 것을 지울 수 있다는 사실을 금방 알
수 있다.
ls()
#> [1] "f" "x" "y" "z"
rm(list = ls())
ls()
#> character(0)
다른 방식으로는 그림
2
-
1
에 나와 있는 것처럼,
RStudio
의
Environment
창의 위쪽
에 있는 빗자루 아이콘을 클릭해도 된다.
R Cookbook 2판_최종.indd 3521. 4. 27. ...
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