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Re: st: Propensity Score Matching

From   "jean ries" <>
Subject   Re: st: Propensity Score Matching
Date   Wed, 18 Oct 2006 10:25:43 +0200

Difficult to guess what's wrong. Maybe you should show use what you
typed and the relevant portions of the output.

Here is some further advice:

* Make sure that the the commands are equivalent, i.e. expected to do
the same thing. Read carefully through the psmatch2 help-file.

* Make sure that you have not selected a "common support" option in
one command and not in the other.

* When there are if or in clauses in the commands, make sure that they
select the same observations.

* Make sure that everything is up-to-date.



On 10/18/06, Cristian Mackenna <> wrote:
Did someone now why with the same sample and the same pscore varname, if I

psmatch2 with Gaussian kernel

the untreated group and the treated group have deferent's number that if I


even if the ATT calculated is the same

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