The yearly US News best college ranking is an important tool in comparing schools for students and their eager parents. The latest data is publicly available (paying 20 bucks would get full access) . And the methodology is easy to find and expla...
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Partial Least Square is one of several supervised dimension reduction techniques and attracts attention in recent years. In the one hand, PLS is able to generate a series of scores that maximize linear correlation between dependent variables and inde...
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In some predictive modelling projects, we may have variables that most of the observations have the same value, while the small percentage rest ones are populated with meaningful values. For example, 90% observations have values=0 but the rest 10% ha...
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