0
$\begingroup$

Is it formally correct to compare two separate models with different independent variables?

For instance in R a pseudo code would be something like:

AIC( lm( y ~ X ) )

vs.

AIC( lm( y ~ W ) )

(X and W cannot feature in the same model as for instance lm( y ~ X*W ) )

Improve this question
$\endgroup$
3
  • 1
    $\begingroup$ See stats.stackexchange.com/questions/116935/… $\endgroup$
    – Tim
    Commented Nov 30, 2016 at 10:53
  • $\begingroup$ That question is about using the AIC with different Y variables, this question is about using the AIC to compare models w/ different X variables. I'm voting to leave open. $\endgroup$
    – gung - Reinstate Monica
    Commented Nov 30, 2016 at 22:36
  • $\begingroup$ That seems like a winner, @RichardHardy. $\endgroup$
    – gung - Reinstate Monica
    Commented Dec 12, 2016 at 13:39

0

Reset to default

Browse other questions tagged or ask your own question.