Re: [R]

From: Spencer Graves (spencer.graves@pdf.com)
Date: Sat 26 Apr 2003 - 14:13:34 EST

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Message-id: <3EAA076E.2010202@pdf.com>

stepAIC in MASS.

hope this helps. spencer graves

Thomas W Blackwell wrote:
> Probably you've already found the function step() in the base
> package, and its sub-functions add1(), drop1(). See the help
> for these.
>
> - tom blackwell - u michigan medical school - ann arbor -
>
> On Fri, 25 Apr 2003 edgar@uprm.edu wrote:
>
>
>>Hello,
>>Does anybody know where I can find an R function to carry out variable
>>selection using stepwise similar (or even better) to the stepwise function
>>available in S-Plus?. I have tried the mle.stepwise function available in
>>the wle package but I am not getting accurate results.
>>I have tried also the leaps package but it does not handle the options
>>f-in and f-out like in either MINITAB or SAS.
>>
>>Thanks in advance
>>
>>Dr. Edgar Acuna
>>University of Puerto Rico at Mayaguez
>
>
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