R help - Sep 2009 - Penalized Logistic Regression - Query

Dear R users,

Is there any package that I could use to perform Penalized Logistic
Regression (i.e. Ridge/Lasso regularization) including also an offset term
in the model (i.e. a variable with a known coefficient of 1 rather than an
estimated coefficient)? I couldn't find any package that would allow using
offset terms.

Any guidance will help.

Many thanks!

Axel.

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On Thu, 24 Sep 2009, Axel Urbiz wrote:
> Dear R users,
>
> Is there any package that I could use to perform Penalized Logistic
> Regression (i.e. Ridge/Lasso regularization) including also an offset term
> in the model (i.e. a variable with a known coefficient of 1 rather than an
> estimated coefficient)? I couldn't find any package that would allow
using
> offset terms.
Did you try the strategy suggested by the posting guide? viz.

 	RSiteSearch( "penalize logistic offset", restric='functions'
)

Works like a charm!

HTH,

Chuck
>
> Any guidance will help.
>
> Many thanks!
>
> Axel.
>
> 	[[alternative HTML version deleted]]
>
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>
Charles C. Berry                            (858) 534-2098
                                             Dept of Family/Preventive Medicine
E mailto:cberry at tajo.ucsd.edu	            UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/  La Jolla, San Diego 92093-0901