Machine Learning, Data Science, Towards Data Science.
of models: M1: The optimal model with 1 predictor. M2: The optimal model with 2 predictors. This model is M1 + an extra variable. M3: The optimal model with 3 predictors. This model is M2 + an extra variable. Mk: The optimal model with k predictors. This model is Mk-1 + an extra variable. Again,