Always nice to answer my own question 3 minutes later. The missing()
function does what I want. Still, why DOES this exists() statement
fail? Do functions "auto create" the variables once they are called,
regardless of whether or not they are assigned?
--j
On Fri, Jun 25, 2010 at 1:05 PM, Jona
I'm a bit confused about how exists() work within a function -- I want
to test for unassigned variables, but I'm doing tests in the main
environment to figure out the function, so the variables DO exist in
the parent environment of a function call.
Why does:
myfunction <- function(variable_outside
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