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 ...

Goodness-of-fit statistics for general multiple-linear-regression equations are reviewed for the case of replicated responses. A modification of the coefficient of determination is recommended. This ...

Revue de l'Institut International de Statistique / Review of the International Statistical Institute, Vol. 26, No. 1/3 (1958), pp. 37-47 (11 pages) En 1940 M. Wald a exposé une méthode simple pour ...