[R] gslider-gwidgets

[karthicklakshman]

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 

Error in checkPtrType(object, "GtkWidget") : 
  object of class NULL isn't a GtkWidget

Not sure what I am missing here!!!

Regards,
karthick


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