Language Reference

UNIQUE (matrix1 <, matrix2, …, matrix15> ) ;

This function is supported by the IML procedure and the iml action.

The UNIQUE function returns a row vector that contains the sorted set of unique values of the arguments. If you call the UNIQUE function with a single argument, the function returns the sorted elements with no duplicates.

This function is identical to the UNION function, the description of which includes an example.