Anna-Cristina is correct. The -egenmore-
module is on SSC.
Nick
n.j.cox@durham.ac.uk
Anna-Cristina.DADDIO-DEVAUX@oecd.org
> you can use egen if you have installed the additional
> egenmore modules. In
> that case you can use
> egen mean_x=gmean(exp) [ , by(byvarlist) ]
> that will return the geometric mean of exp.
> Otherwise you can use command means
agostino@unical.it
> is there a way to obtain geometric means when using the
> following command:
>
> egen mean_x=mean(x), by(time)
>
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