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Syntax

GROUP_MOVING_AVERAGE(<number>;[<number><number>])

Values: time series values

K: number of past values to compute the moving average from

Description

This function smooths a time series by applying a simple moving average of the past k values. Smoothing a time series helps remove random noise and leave the user with a general trend. You might use GROUP_HOLT_WINTERS for exponential smoothing.

This is an aggregate function.

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Click an empty column to bring up the Formula Builder (As of Datameer X v6.4, click the Fx button on the formula line to display the formula builder) and Builder and select GROUP_MOVING_AVERAGE

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After having completed the workbook, a line chart would be a good tool to visualize your new smoothed data compared to your actual data.

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