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Machine learning algorithms build a model of the training data. The term "machine learning" is vaguely defined; it includes what is also called statistical learning, reinforcement learning, unsupervised learning, etc. ALWAYS ADD A MORE SPECIFIC TAG.

6 votes
Accepted

Incorporating seasonality into CART models

There are a couple ways to interpret seasonality in your questions and the solution varies accordingly. You can add a categorical dummy variable to control and capture the effect of seasonality. Let …
Ram Ahluwalia's user avatar
10 votes
2 answers
472 views

Regularization $L_1$ norm and $L_2$ norm empirical study

There are many methods to perform regularization -- $L_0$, $L_1$, and $L_2$ norm based regularization for example. According to Friedman Hastie & Tibsharani, the best regularizer depends on the proble …
Ram Ahluwalia's user avatar