Date:         Thu, 25 Feb 2010 07:55:08 -0800
Reply-To:     J P <jp7837@yahoo.com>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         J P <jp7837@yahoo.com>
Subject:      Re: Practical question regarding the Propensity Score Matching
              macro  (probably an easy question).
In-Reply-To:  <6C7978C7CEE1CE42B887DD3909B991B301D03A8B@PHSXMB18.partners.org>
Content-Type: multipart/alternative;

You might find materials located here useful:

http://ssw.unc.edu/VRC/Lectures/index.htm




________________________________
From: "Ergul, Emel A." <EERGUL@PARTNERS.ORG>
To: SPSSX-L@LISTSERV.UGA.EDU
Sent: Thu, February 25, 2010 9:18:50 AM
Subject: Re: Practical question regarding the Propensity Score Matching macro (probably an easy question).

Hi Jane:

1. There is a great article on propensity (easy to read) written by Ralph
D'agostino published in statistics in medicine (1998).
2. I have to tell you that myself is not an expert either. I had used
stratification model once in the past. If you would go with stratification,
technically, once you estimate propensity score by logistic regression (or
discriminant analysis), you have to decide about stratum boundaries (combined
group propensity score or treated or control group alone).

I think the article above is well articulated and very helpful to understand the
mechanics of propensity.

Good luck!
emel


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