The variable in the RANGE statement, the ID variables, and the BY variables are available for the model program to examine, but their values should not be changed by the program.

Variable Dataflow Tracer is an open-source tool developed by Cybedefend that performs variable-specific data flow analysis across multiple programming languages. It traces the usage and origin of a ...

They are initialized just once, at the start of the program, and keep their value until the program finishes. Unlike non-static variables, static variables can be accessed directly using the class ...

Missing values for variables in programming statements are treated in the same way that missing values are treated in the DATA step; that is, missing values used in expressions propagate missing ...