You have to start X11 first (I suppose it is installed, as well as the required Tcl/Tk since it worked once on your machine).
Best,

Philippe Grosjean

Paul Roebuck wrote:
On Thu, 8 May 2008, [Windows-1252] M�nica Lozano wrote:

I'm beginning to work on mac.
I think that R was successfully installed. I'm working
with Rclimex, so i need a few packages (ismev, extRemes)
to work with, but it also need Tcl/Tk. I reed in FAQ
that it sometimes generates a problem so you have to
type: Sys.setenv(DISPLAYS=":0") this worked the first
time and no more.
Now when I try to load any of the packages, even Tcl/Tk
this show up:
Loading Tcl/Tk interface ... Error in fun(...) :
couldn't connect to display ":0"
Error : .onLoad failed in 'loadNamespace' for 'tcltk'
Error: package/namespace load failed for 'tcltk'
So I don't know what else to do.

Sys.setenv(DISPLAY=":0.0")
library(tcltk)

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