why not
sum x if id==124, mean
local val = r(mean)
?
On Fri, 26 Mar 2004, Lars Korsholm wrote:
> Hi
>
> Can anyone help me with the following
> what I would like to do is something like
> local val= x if id==124
>
> I know one dirty way:
> preserve
> keep if id==124
> local val=x
> restore
>
> but that do not seem efficient :-)
> can anyone do this more elegantly?
>
> best
>
>
>
> ..............................................
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>
>
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