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st: RE: geometric mean saved results


From   "Steichen, Thomas" <STEICHT@RJRT.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: geometric mean saved results
Date   Wed, 18 Sep 2002 13:13:44 -0400

JL Greig writes:

> I'm having a great deal of difficulty trying to do
> anovas, ranksums, regressions, etc. on the geometric
> mean of a continuous variable--just capturing the
> saved results following a means command ofcourse does
> not work, as below with ranksum:
> 
> .quietly means fp3
> .local `gmeanfp3' = r(mean_g)
> .ranksum `gmeanfp3' if `1'~=9999, by(`1')
> 
> which gives me an error message of "_= invalid name". 
> 
> Any suggestions at all would be much appreciated.

JL,

I think you need to be clearer about what you intend to accomplish.
Please provide a more explicit description or example of what
you are trying to do.

Beyond that... it is very difficult to perform most statistical 
techniques when your variable is a constant (and that is what you 
have when you use -means- and a local macro). I'm sure -ranksum- 
is blowing out because it does not have a variable to operate on... 
`gmeanfp3' is a local macro, not a variable.

Further, `1' may or may not be defined... but we can't tell from
the code you show.

Tom
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