On Fri, 6 Jan 2006, [EMAIL PROTECTED] wrote:
> hi - in version 2.1 the command
>
> >-2^2
>
> gives
>
> -4
>
> as the answer. (-2)^2 is evaluated correctly.
So is -2^2. The precedence of ^ is higher than that of unary minus. It
may be surprising, but it *is* documented and has been in S for a long
time.
-thomas
Thomas Lumley Assoc. Professor, Biostatistics
[EMAIL PROTECTED] University of Washington, Seattle
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