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22048
2013 Oct 21
2
Assigning empty symbol to variable.
When a variable is assigned the empty symbol, looking up the variable
results in an error message that looks like a function call:
> foo <- as.list(lm)$data
> ls()
[1] "foo"
> foo
Error: argument "foo" is missing, with no default
> get("foo")
Error in get("foo") : argument "foo" is missing, with no default
> rm("foo")