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st: regression (or anova) using variable that requires harmonic meanto get the average


From   Jose Maria Pacheco de Souza <jmpsouza@usp.br>
To   statalist@hsphsun2.harvard.edu
Subject   st: regression (or anova) using variable that requires harmonic meanto get the average
Date   Thu, 11 Mar 2004 18:03:47 -0300

Hello Statapeople:
this is a mixture of Stata and statistical question:
I want to compare two groups, let's say vargroup, with values 0 and 1;
the response variable measured in each individual is weight daily, say growth= grams/days.
May I execute simply an Anova (oneway growth, by(vargroup)) or regress growtbh vargroup to compare just the ordinary means or I must elaborate more and compare the weighted harmonic means, using as weights the grams for each people? Uf so, how can I conduct the analysis using Stata?
Thank you for any advice.
Cheers,
Jose Maria

--
Jose Maria Pacheco de Souza, Professor Titular
Departamento de Epidemiologia/Faculdade de Saude Publica, USP
Av. Dr. Arnaldo, 715
01246-904 - S. Paulo/SP - Brasil
fones (11)3082-3886; (11)3066-7724; (11)3768-8612; (11)3714-2403
fax (11)3082-2920; (11)3714-2403
www.fsp.usp.br/~jmpsouza

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