Re: [R] rounding

From: Moshe Olshansky <m_olshansky_at_yahoo.com>
Date: Thu, 10 Jul 2008 17:39:50 -0700 (PDT)


The problem is that neither 0.55 nor 2.55 are exact machine numbers (the computer uses binary representation), so it may happen that the machine representation of 0.55 is slightly less than 0.55 while the machine representation of 2.55 is slightly above 2.55.

> From: Korn, Ed (NIH/NCI) [E] <korne_at_ctep.nci.nih.gov>
> Subject: [R] rounding
> To: r-help@stat.math.ethz.ch
> Received: Friday, 11 July, 2008, 6:07 AM
> Hi,
>
> Round(0.55,1)=0.5
>
> Round(2.55,1)=2.6
>
> Can this be right?
>
> Thanks,
>
> Ed
>
> [[alternative HTML version deleted]]
>
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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Fri 11 Jul 2008 - 00:45:16 GMT

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