[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

# Re: st: RE: A query about min in stata

 From "Ashim Kapoor" To statalist@hsphsun2.harvard.edu Subject Re: st: RE: A query about min in stata Date Fri, 22 Aug 2008 16:58:09 +0530

```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
<martin.weiss@uni-tuebingen.de> 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: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Ashim Kapoor
> Sent: Friday, August 22, 2008 12:43 PM
> To: statalist@hsphsun2.harvard.edu
> Cc: surjit.bhalla@oxusinvestments.com
> 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. : )
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
>
>
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
>
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/
```

 © Copyright 1996–2017 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index