[R] Rcmdr X11 protocol error message

[John Fox]

Dear Michael, 

> -----Original Message-----
> From: Michael Bibo [mailto:mbibo at qldnet.com.au] 
> Sent: Saturday, September 04, 2004 9:59 AM
> To: John Fox
> Cc: 'Peter Dalgaard'; r-help at stat.math.ethz.ch; 'Dirk Eddelbuettel'
> Subject: Re: [R] Rcmdr X11 protocol error message
> 

 . . .

> I have another reliable observation with the new version of 
> Rcmdr, which I offer only because it might provide a clue as 
> to what's going on:
> If you generate a scatterplot for two numerical variables 
> grouped by a factor, the plot is drawn, but the dialogue box 
> remains on screen, and is unresponsive.  When the graphics 
> device is closed, you get an error
> message: 'Error: No graphics device active'.
> If you then try to generate the same scatterplot ungrouped 
> (which previously worked fine) you receive a message; 
> 'Warning: display list redraw incomplete'.  This only occurs 
> the first time you try to draw the ungrouped scatterplot.
> Hope it helps.
> 

This works fine for me, under both Windows and Quantian. Is it possible that
you forgot to left-click to position the legend for the scatterplot by
groups (at is indicated at the bottom of the Groups dialog box)?

I hope that this helps,
 John

> Peter,
> Any hints as to how to generate that trace of the execution 
> you mentioned?
> 
> Michael
> 
> michael_bibo at health.qld.gov.au
> 
>