Re: [R] New package Ryacas

From: Gabor Grothendieck <ggrothendieck_at_gmail.com>
Date: Tue 17 Oct 2006 - 08:39:13 GMT

Maybe there are timing problems using that setup with sockets? I once tried VMware (not with Ryacas but just to try it out) and found it slow as can be expected with an emulated environment. Since you have Windows XP just use the Windows version of Ryacas directly.

On 10/17/06, Simon Blomberg <blomsp@ozemail.com.au> wrote:
> Hi Gabor,
>
> I'm running Quantian (Debian) inside a VMware virtual machine, on a
> Windows XP host.
>
> I installed the latest version of yacas from the source tarball. I
> remembered to ./configure --enable-server to allow server connections.
> make and make install worked ok, after some fiddling. I checked that the
> yacas server option worked, by doing yacas --server 3333, and then
> telnet'ing to 127.0.0.1 3333 to check. It worked fine. I installed
> Ryacas. I then tried it out and got the following error:
>
> > library(Ryacas)
> Loading required package: XML
> > yacas('Integrate(x)x;')
> [1] "Starting Yacas!"
> Error in socketConnection(host = "127.0.0.1", port = 9734, server =
> FALSE, :
> unable to open connection
> In addition: Warning message:
> 127.0.0.1:9734 cannot be opened
> > Accepting requests from port 9734
>
> I tried again (stubborn, I guess):
>
> > yacas('Integrate(x)x;')
> [1] "Starting Yacas!"
> Accepting requests from port 9734
> YacasServer Could not bind to the socket
> : Address already in use
> /usr/local/lib/R/site-library/Ryacas/yacdir/R.ys(1) : File not found
> CommandLine(1) : Expecting ) closing bracket for sub-expression, but
> got x instead
>
> Any ideas where I may be going wrong? I don't know anything about
> sockets. I've cross-posted to r-sig-debian. They may be interested.
>
> Cheers,
>
> Simon.
>
> --
> Simon Blomberg, B.Sc.(Hons.), Ph.D, M.App.Stat.
> Centre for Resource and Environmental Studies
> The Australian National University
> Canberra ACT 0200
> Australia
> T: +61 2 6125 7800 email: Simon.Blomberg_at_anu.edu.au
> F: +61 2 6125 0757
> CRICOS Provider # 00120C
>
> The combination of some data and an aching desire for
> an answer does not ensure that a reasonable answer
> can be extracted from a given body of data.
> - John Tukey.
>
>



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