Prof Brian Ripley wrote:
>
> We have already seen three solutions.
>
> I don't like to see the use of c() for its side effects. In this
> case Marc's as.vector seems to me to be self-explanatory, and that
> is a virtue in programming that is too often undervalued.
>
I agree; but for our enlightnment, what are the side effects of
c()?

Alberto Monteiro

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