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Re: st: Random number seed


From   "Subhankar Nayak" <nayak@bellsouth.net>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Random number seed
Date   Thu, 20 May 2004 10:49:47 -0400

Thanks Ade.
Let me try this.

----- Original Message ----- 
From: <Adrian.P.Mander@gsk.com>
To: <statalist@hsphsun2.harvard.edu>
Sent: Thursday, May 20, 2004 10:30 AM
Subject: Re: st: Random number seed


> You could use date and time as the seed...
> Add the following lines to the start of your program if you are using
STATA
> 8
>
>
> tokenize "`c(current_time)'" ,parse(":")
> local seed "`1'`3'`5'"
> local edate = date("`c(current_date)'","dmy")
> local seed "`edate'`seed'"
> set seed `seed'
>
> cheers
> Ade
>
> Adrian Mander MSc PhD, Principal Statistician, GlaxoSmithKline, Mail Code
> HW8133, New Frontiers Science Park (South), Harlow, Essex, CM19 5AW. Tel:
> 01279 63 1203 Fax: 01279 64 4677
>
>
>
>                       "Subhankar Nayak"
>                       <nayak@bellsouth.net>
>
>                       Sent by:                         To:
statalist@hsphsun2.harvard.edu
>                       owner-statalist@hsphsun2.
>                       harvard.edu                      cc:
>                                                        Subject: st: Random
number seed
>

>                       20-May-2004 15:15
>                       Please respond to
>                       statalist@hsphsun2.harvar
>                       d.edu
>
>
>
>
>
> Can the stata random number seed be itself randomized?
>
> I am running a program called "market.do" in the batch mode without
> invoking/opening stata. This program carries out an analysis based on a
set
> of 1,000 uniform random numbers it generates.
>
> However, since the random seed is always the same everytime I run the
> program in batch mode, I get the same set of 1,000 random numbers each
time
> I run this program in batch mode. Results are identical which defeats the
> purpose.
>
> Can this be changed?
>
> Thanks,
> Subh
>
>
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