Hi Fabio
Have you used the name "c" for something else? Try typing in "c" at the
command line, you should see something like:
> c
function (..., recursive = FALSE) .Primitive("c")
Regards
John
---
for example;
> par(mfrow=c(2,2))
Error in c(2, 2) : unused argument(s) (2)
> par$mfrow
NULL
Does any one know what is the cause of this problem?
Regards,
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