



Hello R friends!

I´ve come acooss two problems during my work

1.) I would like to extract only certain values (such as R2 and C ) from the output of several models based on a logistic regression 

modela<-lrm(y~x1+x2+x3) , modelb<-lrm(y~x2+x5+x9)...

> modela$coef #works fine, not so 

> modela$R2 

>NULL

#or

>modela§C:

>NULL

Does anyone know where the mistake lies?

2. Can I use the apply function to display results of several models in one shot without having to use the matrix function?

Thanks in advance

Christian

 

 



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