> formatC(round(2189.745, 2), big.mark=",",format="f")
[1] "2,189.7400"

Unfortunately this does not work

Worik

On Mon, May 9, 2011 at 11:45 AM, Peter Langfelder <
peter.langfelder@gmail.com> wrote:

> On Sun, May 8, 2011 at 4:41 PM, Worik R <worikr@gmail.com> wrote:
> > Friends
> >
> > I am trying to format a number to a string so 2189.745 goes to "2,189.35"
> > and 309283.929 goes to "309,283.93"
> >
> > I have tried to use formatC(X, big.mark=",",drop0trailing=FALSE,
> format="f")
> > but it does not get the number of decimals correct.  Specifying digits
> does
> > not work as that is significant digits.  I could use a switch statement
> > switching on the size of the number to be formated to set the digits
> > parameter but that is complex and leaves me insecure that thre may be
> other
> > problems I have not uncovered.
> >
> > Is there a simple way of using library functions to insert big.marks and
> get
> > the number of trailing digits correct?  Perhaps some way of using
> sprintf?
> >
>
> Try this inserting a round() step before the final printing:
>
> x = 309283.929
>
> formatC(round(x, 2), big.mark=",",drop0trailing=TRUE, format="f")
>
> [1] "309,283.93"
>
>
> HTH,
>
> Peter
>
>
> > cheers
> > Worik
> >
> >        [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@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.
> >
>
>
>
> --
> Sent from my Linux computer. Way better than iPad :)
>

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