[R] Testing ``<=" in R

[Peter Dalgaard BSA]

Maria N Kocherginsky <mkocherg at students.uiuc.edu> writes:

> Hello,
> 
> I've encountered the following:
> 
> > n_500
> > tau_.95
> > (n*(1-tau))
> [1] 25
> > (n*(1-tau))<=25
> [1] FALSE
> > (n*(1-tau))==25
> [1] FALSE
> 
> I'm using UNIX R Version 1.4.0, and also tested in out in Windows 1.6.0. Is 
> this a bug?

No. Can 1/20 be represented exactly as a binary number?

>500*(1-tau)-25
[1] 2.131628e-14


-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
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