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st: RE: Bivariate Probit Model

From   "Scott Merryman" <[email protected]>
To   <[email protected]>
Subject   st: RE: Bivariate Probit Model
Date   Tue, 11 Jan 2005 20:33:45 -0600

> -----Original Message-----
> From: [email protected] [mailto:owner-
> [email protected]] On Behalf Of Paul Chin
> Sent: Tuesday, January 11, 2005 2:53 PM
> To: [email protected]
> Subject: st: Bivariate Probit Model
> Dear users,
> I am a new STATA user and trying  to build a bivariate model using
> biprobit.
> If I would like to do 10-iteration model building processes,
> for each iteration I only randomly sample 70% of my development sample
> file
> and would like to keep models' coefficients.
> What is the best way to do it? What commands should I use?
> Thank you for any help.


Here is one way, which will save the coefficients as a separate data file.

use, clear

forv i = 1/10 {	
	tempfile tf`i'
	sample 70
	qui parmby "biprobit priv vote logptax loginc year", ///
	saving(`"tf`i'"', replace)
	local files "`files' `"tf`i'"'"
dsconcat `files', dsid(id)

This requires Roger Newson's -parmby- and -dsconcat-.  You can use -findit
parmest- to locate and download the files from Stata Journal 3(3) and 4(3)

Hope this helps,

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