environment {base} | R Documentation |
Get, set, test for and create environments.
environment(fun = NULL) environment(fun) <- value is.environment(obj) .GlobalEnv new.env()
fun |
a function , a formula , or
NULL , which is the default. |
value |
|
obj |
an arbitrary R object. |
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 current evaluation environment is
returned.
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.
The envir
argument of eval
.
##-- all three give the same: environment() environment(environment) .GlobalEnv ls(envir=environment(approxfun(1:2,1:2, method="const"))) is.environment(.GlobalEnv)# TRUE