IDCHECKS Subcommand (VALIDATEDATA command)

The IDCHECKS subcommand specifies checks to be performed on case identifiers. The subcommand is ignored if no ID variables are specified.

INCOMPLETE. Incomplete case identifiers. Reports cases with incomplete case identifiers. For a particular case, an identifier is considered incomplete if the value of any ID variable is blank or missing. Default.

DUPLICATE. Duplicate case identifiers. Reports cases with duplicate case identifiers. Incomplete identifiers are excluded from the set of possible duplicates. Default.

NONE . Case identifiers are not validated.