Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down at the end of May, and its replacement, statalist.org is already up and running.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: RE: Test of differences between geometric means


From   Junlin Liao <junlin.liao.cn@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: Test of differences between geometric means
Date   Tue, 15 Nov 2011 12:02:39 -0600

I'm wondering if someone could write a procedure to summarize
lognormal data automatically in the form of geometric mean and std
etc. It's easy to transform data to get the results, but it would be
nice if it's automated. The means commands (gmeans or ameans) do not
give standard deviation.

On Tue, Nov 15, 2011 at 3:41 AM, Nick Cox <n.j.cox@durham.ac.uk> wrote:
> There is I believe some literature on ad hoc tests for this question, but the results of
>
> . findit lognormal
>
> do not show any Stata implementations. I'd recast the problem as one of estimating a model using either -glm, link(log) f(normal)- or -lognfit- (SSC).
>
> Nick
> n.j.cox@durham.ac.uk
>
> N.M.Postel-Vinay@lse.ac.uk
>
> Is there a test of differences between geometric means, assuming lognormal distributions?
>
>
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
>



-- 
Junlin

*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index