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 ...

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 ...

In programming, a variable is a container (storage area) to hold data. To indicate the storage area, each variable should be given a unique name (identifier). Variable names are just the symbolic ...

Multi-stochastic variable programming (MSVP) is an important tool to solve the decision-making problem with multiple random variables. However, when there are a large number of nonlinear constraints ...

This paper researches the effects of argument for programming errors based on ellipse CNC variable programming, analyzes programming error characteristics of th ...