[R] Step and stepAIC

[Peter-Heinz Fox]

Hi all,
 
I’m using "step" and "stepAIC" for stepwise regression. After each step, I 
would like to make an additional calculation based on the independent variables 
that have been selected until this step and their corresponding weights. Where 
do I have to add this calculation?
 
And a second question: Is it possible, to define a certain limit of factors for 
the regression, e.g. 20 variables are available but I want step to stop after 
the 10th factor has been selected?!
 
Thanks in advance
 
Peter-Heinz 


      
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