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Showing posts from April, 2018

Regression

                                                  Regression Ins  statistical modeling ,  regression analysis  is a set of statistical processes for estimating the relationships among variables. It includes many techniques for modeling and analyzing several variables, when the focus is on the relationship between a  dependent variable  and one or more  independent variables  (or 'predictors'). More specifically, regression analysis helps one understand how the typical value of the dependent variable (or 'criterion variable') changes when any one of the independent variables is varied, while the other independent variables are held fixed. ·                   Regression analysis is widely used for prediction  and forecasting ·           Regression analysis can be used to infer  causal effect relationships between the independent and dependent           variables. However this can lead to illusions or false relationships, so caution is advisable.   Types of