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st: RE: About generating variable consisting elasticities for each observations after probit command.


From   "Scott Merryman" <smerryman@kc.rr.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: About generating variable consisting elasticities for each observations after probit command.
Date   Fri, 17 Sep 2004 15:51:18 -0500

One way, assuming no missing observations, would be as follows:

sysuse auto, clear
probit foreign mpg
gen elasticity = .
qui {
forv i = 1/74 {
local num = mpg[`i']
 mfx , at(`num') nose
matrix A = e(Xmfx_dydx)
replace elasticity = A[1,1] in `i'
}
}

Hope this helps,
Scott


> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-
> statalist@hsphsun2.harvard.edu] On Behalf Of Haseeb Mahmud
> Sent: Friday, September 17, 2004 10:49 AM
> To: statalist@hsphsun2.harvard.edu
> Subject: st: About generating variable consisting elasticities for each
> observations after probit command.
> 
> Dear Fellows
> I can run 'probit' models in STATA environment. I can also run 'mfx'
> command with its options.
> I want to generate a variables containing elasticities for each
> observations (approx 5000 obs.)
> By default, STATA can show/calculate a elasticities by using 'mfx'
> command at mean of observations.
> STATA can also calculate elasticities of each variable at user defined
> points.
> Is there anyone who can help me to get out of this problem?
> 
> Haseeb Mahmud
> Dhaka, Bangladesh.
> *
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