Machine Learning, Data Science, Towards Data Science.
best subset method. Imagine that there are 100 variables; the number of models created based on the forward stepwise method is 100 * 101/2 + 1 i.e. 5051 models. In Fernando’s case, with only 5 variables, he will have to create and choose from 5*6/2 + 1 models i.e. 16 different models. Backward