[R] absolute value
Peter Dalgaard
p.dalgaard at biostat.ku.dk
Fri Apr 30 09:56:40 CEST 2004
"Fred J." <phddas at yahoo.com> writes:
> Hello
>
> could you please tell me what is the function to get
> the absolute value of the real or complex number.
> most of other languages it is abs(x) , what is it in
> r?
>
> I did few searhces in the help docs for no avail.
Will you believe it?
> abs(1+1i)
[1] 1.414214
In the complex case some may prefer Mod(x) which does the same thing.
--
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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