Statalist


[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

Re: st: Coding random sampling with replacement


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Coding random sampling with replacement
Date   Thu, 19 Jun 2008 15:35:33 +0100 (BST)

That doesn't sound very efficient, but here is what you asked for
(replace data.dta with the name of your datafile):

set seed 1234567891
forvalues i = 1/1000{
    use data.dta, clear
    bsample 700 if woman
    save sample`i', replace
}

-- Maarten

--- Fenaba Addo <fra4@cornell.edu> wrote:

> Hi,
> 
> I am looking for an efficient way to select 1000 different random
> samples with replacement from a dataset and save each subsample in
> order to merge later on with a seperate dataset. My dataset contains
> 2000 observations, and I only need 700 in each random sample. I have
> a
> dataset containing males and females, however, I only want random
> subsamples of the women. I will later use the male observations, so I
> do not want to lose the male observations.
> 
> So far my coding consists of:
> set seed 1234567891
> bsample 700 if woman
> 
> I am uncertain how proceed from here.
> 
> Thanks for any assistance you can provide.
> 
> 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/
> 


-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------


      __________________________________________________________
Sent from Yahoo! Mail.
A Smarter Email http://uk.docs.yahoo.com/nowyoucan.html
*
*   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/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index