David Winsemius <dwinsemius <at> comcast.net> writes:
>
>
> On Apr 19, 2011, at 10:51 PM, murilofm wrote:
>
> > Thanks for the answer; I see that col=c("blue","red")[inv$c+1]
> > creates a
> > vector of "red" and "blue" associated with the binnary c.
> > But still I got everything red.
>
> If you want tested solution, submit test data.
>
David also suggests (off-lists) that you use "bg" instead of "col" as
the argument name. (Another strategy is to go to ?symbols
and search for "colour" -- I wouldn't expect a new user
to guess the c("blue","red")[inv$c+1] stuff, but you probably
could go to the help page and figure out that the appropriate
argument name is "bg" ...)
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