Date:         Fri, 25 Jul 2008 20:57:04 +0530
Reply-To:     ajay ohri <ohri2007@GMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         ajay ohri <ohri2007@GMAIL.COM>
Subject:      Re: Propensity scores
Comments: To: Peter Flom <peterflomconsulting@mindspring.com>
In-Reply-To:  <20813.1216999037504.JavaMail.root@elwamui-hound.atl.sa.earthlink.net>
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Hi Peter,

then what is the alternative to say creating propensity scores on leads
through direct marketing channel (direct mail,internet,call centre)..

regards,

Ajay
www.decisionstats.com/tag/analytics


On Fri, Jul 25, 2008 at 8:47 PM, Peter Flom <
peterflomconsulting@mindspring.com> wrote:

> The topic of propensity scores has come up a couple times recently.
>
> People interested in these should check out the latest American
> Statistician, especially:
>
> Peikes, DN; Moreno, L; Orzol, SM (2008).  Propensity score matching: A note
> of caution for evaluators of social programs.  American Statistician, 62,
> 222-231.
>
> Essentially, they found that, even under ideal conditions, propensity
> scores give incorrect results.
>
>
> Peter
>
> Peter L. Flom, PhD
> Statistical Consultant
> www DOT peterflom DOT com
>