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Re: st: Adding the marginal effects at individual values of a continous regressor to the data
From
Richard Williams <[email protected]>
To
"[email protected]" <[email protected]>, "[email protected]" <[email protected]>
Subject
Re: st: Adding the marginal effects at individual values of a continous regressor to the data
Date
Sat, 20 Feb 2010 14:06:46 -0500
At 12:54 PM 2/20/2010, Solomon Tesfu wrote:
Dear Members,
I have a bivariate probit model where the key variable of interest
is continuous. The 'margeff' program in stata gives me the average
of the marginal effects at each value of of this variable. But I
want to look at how the marginal effects vary with changing values
of the variable. Therefore, I would like to add the marginal
effects at each value of this continuous variable to the data and
'margeff' doesn't help me to do that. I would appreciate if anyone
has a suggestion as to how to proceed with this.
Solomon T.
Do you have Stata 11? If so, I wonder if the -margins- command would
do the trick. I don't understand margins that well yet, but here is
my wild guess. Hopefully you can either verify that it is working
correctly or someone else will correct me.
use "http://www.indiana.edu/~jslsoc/stata/spex_data/ordwarm2.dta";, clear
logit warmlt2 age ed prst
margeff
* Same results with margins command
margins, dydx(*)
* Now try different values of age
margins, dydx(*) at(age=(30 40 50))
Again, no guarantees, but my intuition makes me think it might be
something along these lines.
-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
HOME: (574)289-5227
EMAIL: [email protected]
WWW: http://www.nd.edu/~rwilliam
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