Regression Trees:
Regularization refers to a wide variety of techniques used to bring structure to statistical models in the face of data size, complexity and sparseness. Advances in digital processing, storage and retrieval have led to huge and growing data sets (“Big Data”). Regularization is used to allow models to usefully model such data without overfitting. A very simple example is linear regression; other examples are smoothing techniques.
Planning on taking an introductory statistics course, but not sure if you need to start at the beginning? Review the course description for each of our introductory statistics courses and estimate which best matches your level, then take the self test for that course. If you get all or almost all the questions correct, move on and take the next test.
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