[R-sig-Epi] propensity score code

[David Winsemius]

On Nov 20, 2014, at 3:54 PM, Ting Zhang wrote:

> Hi, this is the first time I send a mail, and thanks in advance.
> 
> I am eager to obtain the R code for propensity score analysis. Previously, I used SAS for this, but I converted to R these days since I found R is more flexible. However, no mature R code for propensity score exists right now as far as I know. Please help me with it. Thanks again.

Can you explain why ordinary logistic regression is not being used as the first step?

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David Winsemius
Alameda, CA, USA