Thank you all for the answers.
So if I may extend on the question -
When is it important to use 'Literal integer'?
Under what situations could not using it cause problems?
Is it a matter of efficiency or precision or both?
Thanks,
Tal
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On Wed, Feb 23, 2011 at 6:15 PM, Tsjerk Wassenaar <tsje...@gmail.com> wrote:
> Hi Gene,
>
> It means 'Literal integer'.
> So 1L is a proper integer 1, and 0L is a proper integer 0.
>
> Hope it helps,
>
> Tsjerk
>
> On Wed, Feb 23, 2011 at 5:08 PM, Gene Leynes <gleyne...@gmail.com> wrote:
> > I've been wondering what L means in the R computing context, and was
> > wondering if someone could point me to a reference where I could read
> about
> > it, or tell me what it's called so that I can search for it myself. (L
> by
> > itself is a little too general for a search term).
> >
> > I encounter it in strange places, most recently in the "save"
> documentation.
> >
> > save(..., list = character(0L),
> >> file = stop("'file' must be specified"),
> >> ascii = FALSE, version = NULL, envir = parent.frame(),
> >> compress = !ascii, compression_level,
> >> eval.promises = TRUE, precheck = TRUE)
> >>
> >
> > I remember that you can also find it when you step inside an apply
> function:
> >
> >> sapply(1:10, function(x)browser())
> >> Called from: FUN(1:10[[1L]], ...)
> >>
> >
> > I apologize for being vague, it's just something that I would like to
> > understand about the R language (the R word).
> >
> > Thank you!
> >
> > Gene
> >
> > [[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.
> >
>
>
>
> --
> Tsjerk A. Wassenaar, Ph.D.
>
> post-doctoral researcher
> Molecular Dynamics Group
> * Groningen Institute for Biomolecular Research and Biotechnology
> * Zernike Institute for Advanced Materials
> University of Groningen
> The Netherlands
>
> ______________________________________________
> 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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