I think you meant:
replace y=uniform()<=`p' if y==.
Dario Consonni
----- Original Message -----
From: "FEIVESON, ALAN H. (AL) (JSC-SK) (NASA)" <[email protected]>
Date: Wednesday, December 24, 2003 10:18 pm
Subject: st: RE: Random assignment
> Here's one way - suppose your dichotomous variable is y:
>
> summ y
> local p=r(mean)
> replace y=uniform<=`p' if y==.
>
> Al Feiveson
>
>
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> Sent: Wednesday, December 24, 2003 12:40 PM
> To: [email protected]
> Subject: st: Random assignment
>
>
> I have a data set with 50 missing values for a dichotomous
> variable, coded
> 1 and 0; I would like to recode the 50 missing values to non-
> missing,
> inserting 1 and 0's on a random basis proportionate to their
> presence in
> the overall data set. Any porcedure for this sort of thing in
> stata.
> Thanks.
>
> *
> * 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/
> *
> * 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/
>
*
* 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/
