thanks, it works!
Mariarosaria
Citazione Nick Cox <[email protected]>:
> Anna-Cristina is correct. The -egenmore-
> module is on SSC.
>
> Nick
> [email protected]
>
> [email protected]
>
> > 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
>
> [email protected]
>
> > is there a way to obtain geometric means when using the
> > following command:
> >
> > egen mean_x=mean(x), by(time)
> >
>
> *
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>
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