RECENGINE Procedure

INPUT Statement

INPUT variables </ LEVEL=INTERVAL | NOMINAL>;

The INPUT statement specifies the names of the variables to be used in the recommender system. It names one or more input variables that use common options. If you want to use different options for different variables, you can specify multiple INPUT statements.

You can include the following option in each INPUT statement after a slash:

LEVEL=INTERVAL | NOMINAL

specifies the level of measurement of the variables. You can specify the following values:

INTERVAL: specifies that the level of measurement of the variables is interval.
NOMINAL: specifies that the level of measurement of the variables is nominal.

By default, LEVEL=INTERVAL for numeric variables and LEVEL=NOMINAL for categorical variables.

Last updated: September 23, 2026