EWMA Chart Template in Excel
Use EWMA Charts when you want to detect small shifts in performance.
Example of the EWMA Chart template in QI Macros for Excel
The template contains up to 10 columns to input data observations:
As you input data, the charts will automatically populate to the right.
EWMA metrics in column AL can be customized
The EWMA template uses .1 as the default weight but this value can be customized.
The template calculates the remaining values based on the data, however the formulas can be replaced with different values if you have them:
Find the EWMA Chart template by clicking on the QI Macros menu > Control Chart Templates > Special (CUSUM, EWMA) > EWMA Chart:
EWMA Chart Formula
