Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down on April 23, and its replacement, statalist.org is already up and running.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: Generate unique random numbers


From   Fernando Rios Avila <f.rios.a@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Generate unique random numbers
Date   Wed, 19 Sep 2012 21:27:25 -0400

If you have no issues with the distribution of the values, i think
this code will do what you want:
set obs 20000
gen r=int(runiform()*100000)
duplicates drop r, force
drop if r<10000
keep if _n<=13000
sum
Hope this helps

On Wed, Sep 19, 2012 at 9:18 PM, Anna Hemnes <anahemnes@hotmail.com> wrote:
> Hi there,
>
> We are trying to get stata to generate a set of unique 5 digit numbers,
> and just cant figure out the code. We need about 13000 of these numbers
> and can get a set of random digits but they duplicate. Does anyone know
> how we might fix this?
>
> Thank you
>
>
> *
> *   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 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index