karthicklakshman <karthick.lakshman <at> gmail.com> writes: > > Hello R lovers, > > For my GUI, I am using gslider of Gwidgets. I need to add the "to=" value > dynamically ie., maximum value from a data frame column(something like > to=max(df[,3])). But I am getting error message like >
You update the items to select from using [<-, as in: sl <- gslider(container=gwindow()) ## use defaults sl[] <- seq(0, 2*pi, length=100) ## new values Of course, your sequence values will depend on the data frame you have in mind > Error in checkPtrType(object, "GtkWidget") : > object of class NULL isn't a GtkWidget > > Not sure what I am missing here!!! > > Regards, > karthick > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
