R help - Jan 2012 - pls. help -Logisitic Regression-Urgent

I have a data set of 8000 records and 124 variables.
To find the Whether that a person who opened the mail will redeem the Offer
(Dependent variable is 0 or 1)
So need to model Logistic Regression.

My question here is - i have 124 variables(mix of categorical and
continuous)
how would i select(R code) attribute - ie. independent variable from those
124 variable(Variable selection) so that i can build a model using glm

pls. give me codes in R- on how to do that 

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How many statistics courses have you taken?
Frank

pnandak wrote
> 
> I have a data set of 8000 records and 124 variables.
> To find the Whether that a person who opened the mail will redeem the
> Offer (Dependent variable is 0 or 1)
> So need to model Logistic Regression.
> 
> My question here is - i have 124 variables(mix of categorical and
> continuous)
> how would i select(R code) attribute - ie. independent variable from those
> 124 variable(Variable selection) so that i can build a model using glm
> 
> pls. give me codes in R- on how to do that
> 

-----
Frank Harrell
Department of Biostatistics, Vanderbilt University
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