[R] Numbers with correct significant digits
Andrew Robinson
A.Robinson at ms.unimelb.edu.au
Sat Nov 18 00:04:24 CET 2006
I have found that sprintf gets this right, although the syntax of the
command itself is a little less clear.
> sprintf("%.2f", 9.6996)
[1] "9.70"
I hope that this helps,
Andrew
On Fri, Nov 17, 2006 at 02:14:58PM -0800, RMan54 wrote:
>
> This, for example:
>
> v <- c(9.6996, 99.99)
> formatC(v, digits=3, format="g")
>
> shows:
>
> " 9.7" " 100"
>
> This is scientifically incorrect for the first number in the sense that I
> like to show all 3 significant digits, including trailing zero's.
> Is there a way that the first number would show as " 9.70"?
>
> By the way, can't use format() since it applies the same numbers of digits
> after the decimal point for all numbers in the vector.
>
> Thanks,
> Rene
>
> --
> View this message in context: http://www.nabble.com/Numbers-with-correct-significant-digits-tf2657246.html#a7412042
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>
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--
Andrew Robinson
Department of Mathematics and Statistics Tel: +61-3-8344-9763
University of Melbourne, VIC 3010 Australia Fax: +61-3-8344-4599
http://www.ms.unimelb.edu.au/~andrewpr
http://blogs.mbs.edu/fishing-in-the-bay/
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