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Moving Standard Deviation?

Started by ebaron, 12 Apr 2021 04:32:35 PM

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ebaron

Does anyone know how one can calculate a Moving Standard Deviation?  We want the Standard Deviation for a given Attribute to slide over time instead of a single value for all the entries. Similar to how Cognos delivers an Average function and also a Moving_Average function (where you can input a time period).  How can we create that "Moving" component for the Standard Deviation function?

thanks!
Evan