[R] Step Function Freezing R

[Jgabriel]

Can you think of any systemic changes that might interefere with R
besides Symantec EndPoint and LiveUpdate? I have removed those
programs and allocated more memory to R, but it is still way too
slow.

On Nov 13, 10:45 pm, J Dougherty <j... at surewest.net> wrote:
> On Friday 13 November 2009 07:17:28 am Jgabriel wrote:
>
>
>
> > I can't fully answer all these questions, but I'll do my best - There
> > have not been any updates of Windows, and I did not update R during
> > the period, although I did reinstall it after the problem started.
> > There have been no changes to Norton or any other software that uses
> > system resources in that way. The one thing I can think of is that I
> > installed a program called Digitizer (creates data tables/ csds from
> > visually analyzing line charts) around the same time it started
> >freezing. I have completely uninstalled it and deleted all related
> > files. The problem should not be with the data, which is fine. I am
> > running Windows XP Professional and Excel 2007. I have allowed the
> > process to run overnight on two separate occasions. The first time it
> > was completely frozen and there was no progress. Last night it
> > actually made progress, but the fact remains that a process that used
> > to take an hour at the most still has not even halfway completed after
> > over 8 hours. I even installed extra RAM on the system so that there
> > is more than when the process used to work. I agree that it is
> > probably a change in software, but I can't figure out what has changed
> > or what I can do about it.
>
> OK, from what you are saying, it seems clear the problem is a system problem
> rather than an R issue.  MS issues patches every month, so there may not have
> been upgrades, but there could still be systemic changes.   As regards R, did
> you update R?  How big is the data table?  Has it grown?  Did you or someone
> else alter the available memory to R by an environment setting?  Have you
> searched "Memory" in R help and manuals?  Is this computer yours, or is it
> used by others who may have altered settings?  These are all questions that
> may be pertinent.  Good luck.
>
> JWDougherty
>
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