RE: st: RE: Accessing the number of changes made by a "replace" command

["David Fisher" <djfisher81@msn.com>]

Oops.  Yes, that would do it.  That was embarrassingly simple.  Thanks!
Also, thankyou for the "linkplot" command -- it's pretty much exactly what I 
needed, and I've managed to get round the few things that weren't quite 
right.



> From: "Nick Cox" <n.j.cox@durham.ac.uk>
> Reply-To: statalist@hsphsun2.harvard.edu
> To: <statalist@hsphsun2.harvard.edu>
> Subject: st: RE: Accessing the number of changes made by a "replace" 
> command
> Date: Fri, 18 Mar 2005 10:18:21 -0000
>
> I think you need to implement this yourself.
> If you have a variable holding
> the previous values, then after each change
> you compare latest version with the previous values;
> exit if no differences; otherwise replace
> previous with latest, and loop again.
>
> Nick
> n.j.cox@durham.ac.uk
>
> David Fisher
>
> > I am attempting to create a "while" loop that executes, amongst other
> > things, a "replace" command on a particular variable.  I
> > would like this
> > loop to continue until the "replace" command cannot make any
> > more changes to
> > the data.  In order to do this I would like to be able to
> > access the number
> > of (real) changes made by the "replace" command, so that I
> > can say something
> > like "loop while (number of real changes)!=0".  Is there a
> > way to do this in
> > Stata?  I thought there might be an underscore variable that
> > would do this,
> > but I can't find one.
>
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