[R] Problem launching Rcmdr

[Fox, John]

Dear Brian,

Normally I'd expect that a workspace saved from a previous session and loaded at the start of the current session would cause this kind of anomalous behaviour, but that doesn't explain why the Rcmdr starts up properly in a second (concurrent?) session, nor why it doesn't start up properly when R is run with the --vanilla switch.

Can you report the result of sessionInfo() at the start of a session?

If all else fails, you could try uninstalling and reinstalling R and packages.

Best,
 John

  -----------------------------
  John Fox, Professor Emeritus
  McMaster University
  Hamilton, Ontario, Canada
  Web: http::/socserv.mcmaster.ca/jfox

> On Mar 9, 2020, at 3:25 PM, Brian Grossman <grossmab using umich.edu> wrote:
> 
> I'm having a problem with launching Rcmdr. When I try to launch it the
> first time through R using the command library(Rcmdr) it will go through
> the process of launching and get to the point where it says
> 
> "Registered S3 methods overwritten by 'lme4':
>  method                          from
>  cooks.distance.influence.merMod car
>  influence.merMod                car
>  dfbeta.influence.merMod         car
>  dfbetas.influence.merMod        car
> lattice theme set by effectsTheme()
> See ?effectsTheme for details."
> 
> and then it just hangs there and never launches Rcmdr. If you launch
> another instance of R and run the same command it will complete and launch
> Rcmdr successfully. I have tried launching R with R.exe --vanilla with the
> same results.
> 
> The system information is Windows 10 version 1903, i5 8500 processor, 8GB
> RAM, 256Gb  SSD. R version 3.6.2 Platform: x86_64-w64-mingw32/x64 (64-bit)
> 
> Hopefully I haven't left out any important information. Thank you for any
> suggestions.
> 
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> 
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