Operations Management using Excel: Forecasting Video 1/4 Moving Averages

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These videos are created for the students at The College at Brockport, State University of New York. However anyone can benefit from them as they should work for any Operations Management class.

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So, which method should one use check the accuracy of the forecast? MAD, MAPD or MSE?

fsociety_
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Hej Mustafa, thanks for the video
What to do when the sales demand for a month is "zero", my data set has zero sales at some months. So My MAPD goes into error since ABSDEV is divided by zero.

ronyjoseph
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I hope you will still respond. I want to ask, can this method forecast for all the way 2-3 years ahead?

ValkyrieRnGris