NaN Function | Vantage CX - 1.4 - NaN - Vantage Customer Experience

Vantage Customer Experience User Guide

Vantage Customer Experience
Release Number
Release Date
June 2021
Content Type
User Guide
Publication ID
English (United States)

Returns true if the attribute value that should have been a mathematical number is not a number.

The following criteria expression always returns true because an invalid average—the average of nothing—is not a number.

avg("") == NaN

Using the value function on a text string produces an error rather than NaN (not a number).