Although the most commonly used link and probability distributions are available as built-in functions, the GENMOD procedure enables you to define your own link functions and response probability ...

Program code is easier to read and understand when it is broken up into smaller sections. Functions and procedures can make code shorter, simpler and easier to write. While procedures are great ...

When writing programs, we should avoid long, repetitive code. Procedures and functions help to keep our programs simple and short. Part of Computer Science Programming ...

For the types of functions you're talking about (ie. functions that return multiple values, of different types) I see it slightly differently than you seem to: I see the need/use of out params as ...

Jeffrey B. Nugent, Linear Programming Models for National Planning: Demonstration of a Testing Procedure, Econometrica, Vol. 38, No. 6 (Nov., 1970), pp. 831-855 ...