Hi, I was looking at the guiDDEInstall() documentation for Tinn-R and in the examples there you can generate a list which looks like this where the variable types are shown. 
   
  a - vector
b - vector
trees - data.frame 
   
  This example uses Tcl. Is there a way of generating a similar list using standard commands (i.e. is it an attribute of something like ls())?
   

		
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