Dear Marin,
May be not the cleanest way to do it, but the following seems to work:
write.table(as.character(round(pi, 10)), "pi.txt", row.names = FALSE,
col.names = FALSE, quote = FALSE)
Best,
Jorge.-
On Fri, Mar 8, 2013 at 11:24 AM, Marino David <davidmarino...@gmail.com>wrote:
> Hi Bert,
>
> I read both options and write.table help, but I still can't make it to save
> the data into txt file with fixed precision.
>
> To let you know more clearly what I want, I still you use the previous
> simple example to illustrate.
>
> I want to save pi into pi.txt file with 10 decimal places, that
> is 3.1415926536. How to do it?
>
>
>
> Thanks
>
> Marin
>
>
>
> 2013/3/8 Marino David <davidmarino...@gmail.com>
>
> > Hi Bert,
> >
> > I want to save the data into .txt file for another software process.
> >
> > Thanks for suggestion.
> >
> > 2013/3/8 Bert Gunter <gunter.ber...@gene.com>
> >
> >> ?write.table
> >>
> >> which says, under details:
> >>
> >> "In almost all cases the conversion of numeric quantities is governed
> >> by the option "scipen" (see options), but with the internal equivalent
> >> of digits=15. For finer control, use format to make a character
> >> matrix/data frame, and call write.table on that. "
> >>
> >> Not sure if this is what you want, as "export" is rather vague.
> >>
> >> -- Bert
> >>
> >> On Thu, Mar 7, 2013 at 12:52 PM, Marino David <davidmarino...@gmail.com
> >
> >> wrote:
> >> > Hi all mailing listers,
> >> >
> >> > I want to export data with specified precision into .txt file. How
> can I
> >> > make it? See below
> >> >
> >> > sprintf("%.10f",pi)
> >> > [1] "3.1415926536"
> >> >
> >> > when carry out write.matrix(pi,"pi.txt"), 3.141592653589793115998 in
> >> pi.txt
> >> > file not with 10 decimal places like using sprintf("%.10f",pi)
> >> >
> >> >
> >> > Thanks
> >> >
> >> > Marino
> >> >
> >> > [[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<
> http://www.r-project.org/posting-guide.html>
> >> > and provide commented, minimal, self-contained, reproducible code.
> >>
> >>
> >>
> >> --
> >>
> >> Bert Gunter
> >> Genentech Nonclinical Biostatistics
> >>
> >> Internal Contact Info:
> >> Phone: 467-7374
> >> Website:
> >>
> >>
> http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm
> >>
> >
> >
>
> [[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.
>
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