Re: [R] Internal and displayed precision of numbers

From: Uwe Ligges <ligges_at_statistik.tu-dortmund.de>
Date: Wed, 05 Nov 2008 17:48:58 +0100

Oliver Bandel wrote:
> Hello,
>
> many thanks!
>
> BTW: I read your book. :)
> It's quite good.

Thank you.

> But I didn'tfoud the precision-stuff in it.
> Adding information about this topic in the next
> edition might be a good idea.

These numeric things are an interesting and important topic, of cours. Question is how much to add, since it can be a whole book of its own. I am teaching "Computergetützte Statistik" (i.e. something like numerics for applied statisticians) this term anyway.

Best,
Uwe

> Nevertheless it explains crucial points very good,
> and from that starting point, it's easier to understand the
> manuals/help-pages.
>
> Ciao,
> Oliver
>
>
>
>
>
>
>
>
> Zitat von Uwe Ligges <ligges_at_statistik.tu-dortmund.de>:
>

>>
>> Oliver Bandel wrote:
>>> Hello,
>>>
>>> can the displayed and/or used precision of numbers be
>>> configured? And if... how?
>>
>> See ?.Machine for the internally used precision.
>> See ?options and ?format/?formatC/?print for the printed precision.
>>
>> Uwe Ligges
>>
>>
>>
>>>
>>> Ciao,
>>>    Oliver
>>>
>>> ______________________________________________
>>> R-help_at_r-project.org mailing list
>>> 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.

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