PARTIALDEPEND Procedure OverviewGetting StartedSyntaxDetailsExamples INPUT Statement INPUT variables </ LEVEL=INTERVAL | NOMINAL >; The INPUT statement specifies one or more variables as input variables. You can specify the INPUT statement multiple times. You can specify the following option: LEVEL=INTERVAL | NOMINAL specifies the type of all the variables in the statement. You can specify the following values: INTERVAL treats all the variables in the INPUT statement as interval variables. NOMINAL treats all the variables in the statement as nominal variables. By default, LEVEL=INTERVAL for numeric variables and LEVEL=NOMINAL for character variables. Last updated: August 06, 2026