[R] tcltk issue remains

[Duncan Murdoch]

On 4/7/2008 10:16 AM, Ingmar Visser wrote:
> Dear R-help,
> 
> I'm trying to load the fGarch package and keep running into problems  
> with tcltk:
> 
> After succesfully instaling fGarch (and dependencies) I get:
> 
>  >library(fGarch)
> Loading required package: fBasics
> Loading required package: fImport
> Loading required package: fSeries
> Loading required package: robustbase
> Loading required package: fCalendar
> Loading required package: MASS
> Loading required package: fEcofin
> Loading required package: fUtilities
> Loading required package: RUnit
> 
>   RUnit 0.4.17 loaded.
> Loading required package: spatial
> Loading required package: tcltk
> Loading Tcl/Tk interface ... Error in fun(...) : couldn't connect to  
> display ":0"
> Error : .onLoad failed in 'loadNamespace' for 'tcltk'
> Error: package 'tcltk' could not be loaded
> 
> Then, after checking the OSX faq, I get
> 
>  >Sys.putenv("DISPLAY"=":0")
> Warning message:
> 'Sys.putenv' is deprecated.
> Use 'Sys.setenv' instead.
> See help("Deprecated")
> 
> But the problem remains:
> 
> Sys.setenv("DISPLAY"=":0")
>  > library(fGarch)
> Loading required package: fBasics
> Loading required package: fImport
> Loading required package: fSeries
> Loading required package: fCalendar
> Loading required package: fEcofin
> Loading required package: fUtilities
> Loading required package: tcltk
> Loading Tcl/Tk interface ... Error in fun(...) : couldn't connect to  
> display ":0"
> Error : .onLoad failed in 'loadNamespace' for 'tcltk'
> Error: package 'tcltk' could not be loaded
> 
> I am not sure what the tcltk interface does and what I need it for ...
> Also, tcltk is not listed in the package list but tcltk2 is so I'm  
> not sure which package is being loaded
> here?

tcltk is a base package, distributed with R.


> What can I do about this?


It may be as simple as starting X windows before you try to load tcltk. 
On OSX, X isn't normally running, but the tcltk implementation used by R 
requires it.  Try clicking on the X in the menu bar if you're using 
R.app, or start R from an X terminal if you're used to the command line 
version.

If that's not sufficient, I'd suggest asking on the R-sig-mac list, 
where you'll find the real Mac experts, not just occasional users like me.

> Best, Ingmar
> 
>  > sessionInfo()
> R version 2.6.2 (2008-02-08)
> powerpc-apple-darwin8.10.1

I'm not sure how Apple version numbers work, but that one looks old:  it 
may be that R 2.6.2 doesn't support it any more.

Duncan Murdoch

> 
> locale:
> en_GB.UTF-8/en_GB.UTF-8/en_GB.UTF-8/C/en_GB.UTF-8/en_GB.UTF-8
> 
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
> 
> other attached packages:
> [1] spatial_7.2-40   RUnit_0.4.17     MASS_7.2-40      robustbase_0.2-8
> 
> 
> 
> Ingmar Visser
> Department of Psychology, University of Amsterdam
> Roetersstraat 15
> 1018 WB Amsterdam
> The Netherlands
> t: +31-20-5256723
> 
> 
> 
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> 
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