The variable MyVar is considered not the same variable as myVar, myVar, and other variations. It is conventional to use camelCase for JavaScript variable names, for example: thisIsMyVariable.

When the macro processor executes a macro program statement that can create a macro variable (such as a %LET statement), the macro processor attempts to change the value of an existing macro variable ...

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 ...