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Divide or Mix. Flexible Approaches to Data Analysis

R blog By September 19, 2012 Tags: , , No Comments

A very interesting paradigm in data analysis comes from the necessity to model data where it is difficult to think of a single global function to be capable to represent adequately the data.

We could see a spectrum of models going from the global statistical model, with a single function and associated probability distribution, to the decision tree fitting a set of constants at each leaf of the tree.