[R] email just sent

Duncan Murdoch murdoch at stats.uwo.ca
Mon Sep 1 23:11:52 CEST 2008

ivo welch wrote:
> please ignore part 1.  of course, the cat works.  my mistake.  I just
> need to learn how to step up frames, please.

parent.frame() will give you the frame of the caller.  For example, in 
the browser,

caller <- parent.frame()

etc.  parent.frame() has an arg specifying how far up the stack you want 
to go.  There's also the browser() command "where" which shows you the 
calling stack, to tell you what to pass to parent.frame.

Duncan Murdoch
> regards,
> /iaw
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