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This is a textbook multi-armed bandit problem where Morpheus needs to learn the correct policy about offering pills. As you’ve said the Neos are independent, and making the assumption that there is a best pill overall, we need an algorithm that will experiment with each of the pills to find out which one is most likely to be accepted. This is the same as ...
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Interaction effect and Colinearity have two different meanings.
Multi-colinearity simply tells if two or more predictors are correlated i.e. change in one changes the other. I believe there is no confusion about this as you have also mentioned in your question.
But Multi-colinearity doesn't need the response variable for it to be figured out.
Interaction by ...
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It is difficult to diagnose without having more info. But based upon what you mention I point:
Since you have a class imbalance, you MUST use regularizarided models that penalize the cost function made by the minority class, more strictly than those errors for the majority class (Boosting models, Linear models)
Try using another metric like ROC AUC or ...
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You are absolutely right. This method is called customer segmentation. Here we cluster customers based on many features like their demographic and income.
Suppose we get to know a particular set of people who belong to high income group/rich demographic are not spending much then we can do promotions to increase sales to get potential new customers hence it ...
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