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st: Re:


From   Muhammad Anees <anees@aneconomist.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Re:
Date   Wed, 29 Jun 2011 16:33:27 +0500

tsset timevar
gen lnstock=ln(stock)
gen diflnstock=d.lnstock
sum diflnstock

should do the work


On Wed, Jun 29, 2011 at 4:29 PM,  <florian837@gmx.de> wrote:
> Dear List,
> I'm having a hard time trying to calculate the standard deviation of the first difference of logarithms of daily exchange rates for the past 6 month (or 180 days).
>
> As I'm using a huge dataset with daily data, I have gaps (or missings, if I use the fillin command before).
>
> Any suggestions are very welcome!
>
> Florian
>
>
> --
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>



-- 
Muhammad Anees
MSc & MS in Economics

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