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

Variables in the Model Program Variable names are alphanumeric but must start with a letter. The length of a variable name is limited to thirty-two characters for non-SAS data set variables PROC MODEL ...

Variable naming convention best practices. Which of the various variable naming conventions should you use? It all depends on the programming language. For example, Java demands classes to be in ...

For example, you can create indicator variables from a categorical variable and incorporate them into the model. PROC PHREG programming statements cannot be used to create or modify the values of the ...