>
>
> > blah
> Error: object 'blah' not found
> > blah <- c(1, 2, 3)
> Error in c(1, 2, 3) : 'file' must be a character string or connection
>
> It used to work, and 6 months later I'm back on R, and now it will not
> work.
>
> Most likely, you inadvertently masked the base function c with your own
function c that does
something else.  Type
   c
and see what it shows.

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