Re: [R] R demos

From: Liaw, Andy <andy_liaw_at_merck.com>
Date: Sat 25 Jun 2005 - 03:09:00 EST


> From: Jim Brennan
>
> OK, actually this is a textbook example of why it should be
> done as you said
> as I just add on the packages I want in Rprofile.site and
> that way don't
> screw up the default by cutting and pasting into Rprofile.
>
> So I have restored Rprofile to default and added
> Rprofile.site as follows to
> etc directory.
>
> local({
> old <- getOption("defaultPackages")
> options(defaultPackages = c(old, "MASS","gtools","gregmisc"))
> })
>
> I think this is what you meant!
>
> As for running R --vanilla I don't know how to do that.
> Is it possible with a windows version.?

Absolutely. If you use Rgui, right-click on the Rgui icon and click on "Properties". In the "target" field, add "--vanilla" (or any command line argument to R). If the command is quoted, make sure you add the option outside the quotes.

Andy

> Anyway it is working and thanks for the help.
>
> -----Original Message-----
> From: Prof Brian Ripley [mailto:ripley@stats.ox.ac.uk]
> Sent: June 24, 2005 12:22 PM
> To: Jim Brennan
> Cc: 'Douglas Bates'; 'r-help'
> Subject: Re: [R] R demos
>
> On Fri, 24 Jun 2005, Jim Brennan wrote:
>
> > Thanks!
> > I realized the datasets were not available, but not that
> they were in a
> > separate package. I have never had to load this package in previous
> versions
> > and assumed they were part of one of the default main packages.
>
> They are! datasets *is* `one of the default main packages'.
>
> > An easy fix was to adjust my default packages in the
> Rprofile file to
> > include "datasets"
> > This is for those who don't know a file in the etc directory.
>
> Not really: you should be using Rprofile.site: see ?Startup.
>
> > options(defaultPackages=c("utils" ,"datasets", "graphics"
> ,"stats",
> > "methods", "MASS", "gtools"))
> >
> > Not sure how this happened as I never had to do this before.
>
> The default is actually
>
> c("datasets", "utils", "grDevices", "graphics", "stats", "methods")
>
> so you have changed it. What happens if you start R
> --vanilla? That might
> help track down what you did.
>
> >
> > -----Original Message-----
> > From: Douglas Bates [mailto:dmbates@gmail.com]
> > Sent: June 24, 2005 11:25 AM
> > To: Jim Brennan
> > Cc: r-help
> > Subject: Re: [R] R demos
> >
> > On 6/24/05, Jim Brennan <jfbrennan@rogers.com> wrote:
> >> I have noticed that some data sets seem not to be
> available to me when I
> > am
> >> running some of the examples or demos since I have changed
> versions. For
> >> example:
> >> demo(persp)
> >>
> >>
> >> demo(persp)
> >> ---- ~~~~~
> >>
> >> Type <Return> to start :
> >>
> >> R>if (dev.cur() <= 1) get(getOption("device"))()
> >>
> >> R>is.dev.interactive <- .Device %in% c("X11", "GTK",
> >> "gnome", "quartz", "windows", "JavaGD")
> >>
> >> R>op <- par(ask = is.dev.interactive)
> >>
> >> R>x <- seq(-10, 10, length = 50)
> >>
> >> R>y <- x
> >>
> >> R>rotsinc <- function(x, y) {
> >> sinc <- function(x) {
> >> y <- sin(x)/x
> >> y[is.na(y)] <- 1
> >> y
> >> }
> >> 10 * sinc(sqrt(x^2 + y^2))
> >> }
> >>
> >> R>sinc.exp <- expression(z == Sinc(sqrt(x^2 + y^2)))
> >>
> >> R>z <- outer(x, y, rotsinc)
> >>
> >> R>par(bg = "white")
> >>
> >> R>persp(x, y, z, theta = 30, phi = 30, expand = 0.5,
> >> col = "lightblue")
> >> Waiting to confirm page change...
> >>
> >> R>title(sub = ".")
> >>
> >> R>title(main = sinc.exp)
> >>
> >> R>persp(x, y, z, theta = 30, phi = 30, expand = 0.5,
> >> col = "lightblue", ltheta = 120, shade = 0.75,
> ticktype = "detailed",
> >> xlab = "X", ylab = "Y", zlab = "Z")
> >> Waiting to confirm page change...
> >>
> >> R>title(sub = ".")
> >>
> >> R>title(main = sinc.exp)
> >>
> >> R>z <- 2 * volcano
> >> Error in eval.with.vis(expr, envir, enclos) :
> >> Object "volcano" not found
> >>
> >> So most of this demo works but volcano is not found.
> >> Any ideas what may be going wrong.
> >> Also for example
> >> R>?reshape
> >> R>summary(Indometh)
> >> Error in summary(Indometh) : Object "Indometh" not found
> >
> > For some reason you do not have the datasets package attached.
> >
> >> find(Indometh)
> > [1] "package:datasets"
> >> find(volcano)
> > [1] "package:datasets"
> >
> > ______________________________________________
> > R-help@stat.math.ethz.ch mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html
> >
>
> --
> Brian D. Ripley, ripley@stats.ox.ac.uk
> Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
> University of Oxford, Tel: +44 1865 272861 (self)
> 1 South Parks Road, +44 1865 272866 (PA)
> Oxford OX1 3TG, UK Fax: +44 1865 272595
>
> ______________________________________________
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>
>
>



R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Jun 25 03:22:04 2005

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