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Last month we explored how to model a simple relationship between two variables, such as the dependence of weight on height 1. In the more realistic scenario of dependence on several variables, we can ...

Simply collecting data is not enough. You can fill spreadsheets with data, but it's useless if you can't act on it. Regression is one of the most powerful statistical tools for finding relationships ...

In this paper linear restrictions on regression coefficients are studied. Let the p × q2 matrix of coefficients of regression of the p dependent variates on q2 of the independent variates be $\mathbf{ ...