What causes brownish stains under armpits of a white shirt and how do you get rid of it? is it cause by deodorant? or is that just sweat or both? what can i use to make my shirts armpits turn white again?
MULTIPLE REGRESSION measures the effect a group of survey questions (called the independent variables) has on a single survey question (or an average of a group of questions), called the dependent variable.
Nonlinear regression. In statistics, nonlinear regression is a form of regression analysis in which observational data are modeled by a function which is a nonlinear combination of the model parameters and depends on one or more independent variables. The data are fitted by a method of successive approximations.