| environment {base} | R Documentation |
Environment Access
Description
Get, set, test for and create environments.
Usage
environment(fun = NULL)
environment(fun) <- value
is.environment(obj)
.GlobalEnv
new.env()
Arguments
fun |
a |
value |
|
obj |
an arbitrary R object. |
Value
If fun is a function or a formula then environment(fun)
returns the environment associated with that function or formula.
If fun is NULL then the global environment,
.GlobalEnv, is returned. This variable is currently defined
as globalenv().
The assignment form sets the environment of the function or formula
fun to the value given.
is.environment(obj) returns TRUE iff obj is an
environment.
new.env returns a new (empty) environment enclosed in the
parent's environment.
See Also
The envir argument of eval.
Examples
##-- all three give the same:
environment()
environment(environment)
.GlobalEnv
ls(envir=environment(approxfun(1:2,1:2, method="const")))
is.environment(.GlobalEnv)# TRUE