[R-SIG-Mac] problems with the data editor

[John Fox]

Dear Simon,

I see that our messages have crossed.

Thanks for attending to the problem.

John


> -----Original Message-----
> From: Simon Urbanek [mailto:simon.urbanek at r-project.org]
> Sent: January-09-09 6:32 PM
> To: John Fox
> Cc: r-sig-mac at stat.math.ethz.ch
> Subject: Re: [R-SIG-Mac] problems with the data editor
> 
> John,
> 
> I have fixed the empty dataset issue and few other borderline cases,
> so please try the updated R.app GUI (either from SVN or wait until
> it's available again).
> 
> However, there are apparently still some issues in the UI that I was
> not able track down since they occur only sparsely and randomly all
> over the place in internals of the Cocoa event handling when deleting
> multiple columns at once. They don't crash in our R.app code, so it's
> extremely difficult to trace. All I can say is don't delete multiple
> columns at once after busy adding/deleting ;). We really need a
> rewrite here ...
> 
> Thanks,
> Simon
> 
> 
> On Jan 9, 2009, at 2:07 PM, John Fox wrote:
> 
> > Dear list members,
> >
> > I thought that I recalled a recent posting reporting a problem with
> > the R
> > data editor, but I haven't been able to locate the message in the list
> > archive.
> >
> > In any event, I can reliably cause the R.app data editor either to
> > hang or
> > to produce errors in a couple of ways, the first of which is easier to
> > describe (the X11 data editor seems more robust, if limited in its
> > capabilities):
> >
> > (1) Edit an empty data frame (which works in the Windows and X11 data
> > editors): edit(as.data.frame(NULL)).
> >
> > (2) Edit any data frame "vigorously," adding a deleting rows and
> > columns
> > repeatedly. E.g., library(car); edit(Prestige).
> >
> > I'm using R 2.8.1 installed from the binary on CRAN under OS X
> > 10.5.5 on a
> > MacBook.
> >
> > I wonder whether anyone else has observed these problems or has an
> > idea
> > about how to fix them.
> >
> > (I'm copying Brian Ripley since we exchanged emails about this issue
> > earlier
> > today.)
> >
> > Regards,
> > John
> >
> > ------------------------------
> > John Fox, Professor
> > Department of Sociology
> > McMaster University
> > Hamilton, Ontario, Canada
> > web: socserv.mcmaster.ca/jfox
> >
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> >
> >