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Re: st: generate many variables at once
From
Austin Nichols <[email protected]>
To
[email protected]
Subject
Re: st: generate many variables at once
Date
Sun, 18 Sep 2011 07:51:32 -0400
donsaane dontsi <[email protected]> :
http://www.stata.com/help.cgi?foreach
unab a: *
loc noti "i year"
loc todo: list a - noti
foreach v of loc todo {
bys i (year): g d`v'=`v'-`v'[_n-1] if year==year[_n-1]+3
}
On Fri, Sep 16, 2011 at 4:34 PM, donsaane dontsi <[email protected]> wrote:
> Hi ,
>
> I want to difference all my variables in my dataset. Is there any command to generate many variables at once? instead of doing them one by one
>
> thanks
>
> dsd
>
> *
> * 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/