Unique - Function Summary

Summary:

Returns a set with duplicate values removed.

Usage:

unique set

Arguments:

set - The set argument. (must be: series)

Refinements:

/case - Use case-sensitive comparison

/skip - Treat the series as records of fixed size

size - The size argument. (must be: integer)

Description:

Removes all duplicate values from a set or series:

lunch: [ham cheese bread carrot ham ham carrot] probe unique lunch [ham cheese bread carrot]

probe unique [1 3 2 4 3 5 4 6] [1 3 2 4 5 6]

string: "CBADEDCF" probe unique string "CBADEF"

Note that performing this function over very large data sets can be CPU intensive.