[R] !0 + !0 == !0 - !0
Patrick Burns
pburns at pburns.seanet.com
Mon Mar 18 03:59:48 CET 2013
Chuck,
What an absolutely wonderful R Infernoism.
Pat
On 18/03/2013 02:17, Charles Berry wrote:
>
>
> Hi all,
>
> The subject line is TRUE.
>
> Today I accidentally typed rnorm(!0).
>
> My old eyes took a minute to focus clearly enough to see what I really typed and
> why I got '!0' random numbers instead of '10' random normal numbers.
>
> If the subject line is disturbing, be assured that this is TRUE:
>
> !0^2 == !0 * !0 # ;-)
>
> Anyway, I hope the hands who have been around long enough to know FAQ 7.31 by
> heart and know why precedence of operators matters have a laugh.
>
> Best,
>
> Chuck
>
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> and provide commented, minimal, self-contained, reproducible code.
>
--
Patrick Burns
pburns at pburns.seanet.com
twitter: @burnsstat @portfolioprobe
http://www.portfolioprobe.com/blog
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