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2012 Sep 25
2
Regsubsets model selection
...Gesamt ~ CommunistSocialist + CountrySize + GNI + Lifeexp
+ Schoolyears + ExpMilitary + Mortality +
+ PopPoverty + PopTotal + ExpEdu + ExpHealth, data=olympiadaten, nbest=1,
nvmax=12), scale='adjr2')
Then I get the picture I attached. The problem is, that the best model has
an adjusted R squard of 0.49. But if I regress e.g. my y on only the
variable PopTotal, then I already get an adjusted R squared of 0.779! So
this simple model is way better but it is not recognized by the regsubsets
command. I don't know why R does this and how can I change this?
And a general question: If I take...