Remove Objects from a Specified Environment
rm can be used to remove objects. These can
be specified successively as character strings, or in the character
list, or through a combination of both. All objects
thus specified will be removed.
envir is NULL then the currently active environment is
TRUE then parents of the supplied
directory are searched until a variable with the given name is
encountered. A warning is printed for each variable that is not
remove(…, list = character(), pos = -1, envir = as.environment(pos), inherits = FALSE)
rm (…, list = character(), pos = -1, envir = as.environment(pos), inherits = FALSE)
the objects to be removed, as names (unquoted) or character strings (quoted).
a character vector naming objects to be removed.
where to do the removal. By default, uses the current environment. See ‘details’ for other possibilities.
environmentto use. See ‘details’.
should the enclosing frames of the environment be inspected?
pos argument can specify the environment from which to remove
the objects in any of several ways:
as an integer (the position in the
search list); as
the character string name of an element in the search list; or as an
environment (including using
access the currently active function calls).
envir argument is an alternative way to specify an
environment, but is primarily there for back compatibility.
It is not allowed to remove variables from the base environment and
base namespace, nor from any environment which is locked (see
Earlier versions of R incorrectly claimed that supplying a character
… removed the objects named in the character
vector, but it removed the character vector. Use the
argument to specify objects via a character vector.
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.
tmp <- 1:4 ## work with tmp and cleanup rm(tmp) ## remove (almost) everything in the working environment. ## You will get no warning, so don't do this unless you are really sure. rm(list = ls())