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?

What can I do about this?

Best, Ingmar

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

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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