st: Re: Re: RE: Re: generating random variable

["Michael Blasnik" <michael.blasnik@verizon.net>]

woops, please change :

gen choicenum=_n

into

bysort id bl set : gen choicenum=_n



----- Original Message ----- 
From: "Michael Blasnik" <michael.blasnik@verizon.net>
To: <statalist@hsphsun2.harvard.edu>
Sent: Tuesday, April 03, 2007 3:12 PM
Subject: st: Re: RE: Re: generating random variable



> The choice is random as coded -- that's why the code generates a random number 
> and uses that in the sort.  I guess you need a way to actually track where it 
> was in the sort order to begin with..
>
> expand 2
> gen random=uniform()
> gen choicenum=_n
> bysort id bl set (random): gen byte choice=_n==_N
>
> Now you can see that the choice is set randomly to one of the two values of 
> choicenum in each set.
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/