The regression equation would now look like this ... However, there may be circumstances where the relationship between the variables is non-linear (i.e., does not take the shape of a straight line), ...

A "close-to-linear" nonlinear regression model, first described by Ratkowsky (1990), is a model that produces parameters having properties similar to those produced by a linear regression model. That ...

Credit: Technology Networks. Through the magic of least sums regression, and with a few simple equations, we can calculate a predictive model that can let us estimate grades far more accurately than ...