Such functions are called linear, for reasons that I'll explain soon enough (well, we generally want another condition for linear functions involving scalar multiples of the variable, but I'll ...

To discover the linear relationship, we could measure the weight of three individuals at each height and apply linear regression to model the mean weight as a function of height using a straight ...

Mixed linear models are assumed in most animal breeding applications. Convenient methods for computing BLUE of the estimable linear functions of the fixed elements of the model and for computing best ...