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Re: st: Calculating SD of a variable
From
lreine ycenna <[email protected]>
To
[email protected]
Subject
Re: st: Calculating SD of a variable
Date
Fri, 20 May 2011 12:16:06 +0100
Thanks.
I should've mentioned that I need 5-year standard deviations of the growth rate.
So I think I need to keep year instead of countryno. The average out
the SD for each 5 years.
On 20 May 2011 12:07, Oliver Jones <[email protected]> wrote:
> Am 20.05.2011 13:01, schrieb Oliver Jones:
>
>> Leave out the variable year in the by() option and that should do what
>> you want.
>
> Or leave out the variable countryno.
> It depends on your aim:
> - sd over time for each country , or
> - sd over countries for each year
>
>
> Best
> Oliver
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