This predicted mean is calculated by substitution of the explanatory value in the regression equation. For example, if we were interested ... where the relationship between the variables is non-linear ...

A linear relationship may be contrasted with a polynomial or non-linear (curved ... either in a graphical format or as a mathematical equation of the form y = mx + b. Linear relationships are ...

"This article aims to bring physics closer to non-experts, offering a pleasant example through which ... his line of research in non-linear evolution equations, at the intersection between physics ...