[R] stepAIC in R

Uwe Ligges ligges at statistik.tu-dortmund.de
Wed Oct 3 20:06:30 CEST 2012



On 03.10.2012 19:48, liang.che at us.pwc.com wrote:
> My stepAIC function works for one set of data but not another....one set
> of data shows the steps of eliminating variables, versus another set of
> data doesn't throw away any variables.
>
> Can anyone please explain why?

Without data nor output? No.

If there is no further output nor error message, we can guess: The AIC 
cannot be reduced by omitting variables.


Uwe Ligges





Thanks
>
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