MISSING Subcommand (TWOSTEP CLUSTER command)

The MISSING subcommand specifies how to handle cases with user-missing values.

• If this subcommand is not specified, the default is EXCLUDE.
• TWOSTEP CLUSTER deletes any case with a system-missing value.
• Keywords EXCLUDE and INCLUDE are mutually exclusive. Only one of them can be specified.

EXCLUDE. Exclude both user-missing and system-missing values. This is the default.

INCLUDE. User-missing values are treated as valid. System-missing values cannot be included in the analysis.