Tagged Questions

31
votes
4answers
2k views

What are modern, easily used alternatives to stepwise regression?

I have a dataset with around 30 independent variables and would like to construct a GLM to explore the relationship between them and the dependent variable. I am aware that the method I was taught ...
17
votes
5answers
2k views

Training with the full dataset after cross-validation?

Is it always a good idea to train with the full dataset after k-fold cross-validation? Or is it better instead to stick with one of the models learned in one of the cross-validation splits for ...
2
votes
3answers
253 views

How to model and test a decision support system (e.g. a terrorist warning system)?

[Edit] In light of the feedback I have received, I have added some more information below, to help clarify what I am seeking to 'model'. Additionally, I have reformualted the problem from a "dog ...