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 Model variables are declared by VAR, ...

Abstract: To keep pace with the advancement of technology, software products are overlooking the chances of soft errors in the program. Program analysis to check program execution flow is an effective ...

Abstract: As basic elements in program, variables convey essential information that is critical for program comprehension and maintenance. However, understanding the meanings of variables in program ...