Hello Martin,
What is that = doing in that statement starting with " qui " doing. It
works. But why ?
Thank you,
Ashim.
On Fri, Aug 22, 2008 at 4:30 PM, Martin Weiss
<[email protected]> wrote:
> If that is supposed to be some kind of "rolling" estimation,
>
> *************
> sysuse auto , clear
> g rollingmin=.
> forv i =1/65{
> qui su mpg in `i'/`=`i'+9'
> di in red "min in `i' to `=`i'+9': " r(min) _n
> qui replace rollingmin = r(min) in `i'
> }
>
> l rollingmin
> *************
>
> HTH
> Martin
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Ashim Kapoor
> Sent: Friday, August 22, 2008 12:43 PM
> To: [email protected]
> Cc: [email protected]
> Subject: st: A query about min in stata
>
> Hello everyone,
>
> I am trying to do the following : -
>
> I have a variable r. I want to create a variable m=min( r, r[_n-1],
> ... ,r[_n-9])
>
> I guess I can use a while loop to do this but that is quite slow. An
> alternative would be to define r0=r,r1=r[_n-1],..,r9=r[_n-9]
> and then say m=rmin ( r0 r1 ... r9).
>
> My question is that is there a built in way in stata to do this ? like
> say by using egen ?
>
> Thank you all for your time and effort.
>
> Ashim. : )
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>
>
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