Some classes of variables can be lagged; that is, their value at each observation is remembered, and previous values can be referred to by the lagging functions. Other classes have only a single value ...

Programming statements are used to create or modify the values of the explanatory variables in the MODEL statement. They are especially useful in fitting models with time-dependent explanatory ...

Without variables, programming languages are next to useless. Fortunately, JavaScript’s variable system is incredibly powerful and versatile.

Asset-Liability Management (ALM) problems can be effectively addressed in Python through the implementation of compact and split variable models, utilizing the Pyomo optimization framework in ...