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Calculating Forecast Accuracy And Precision

In this Excel tutorial you will teach yourself how to calculate forecast accuracy and precision. To do it you need data table.data table to calculate accuracyColumn A is Prediction. Actual value is in column B. In C column you will calculate forecast accuracy using Excel formula.Formula you need here is =IF($A2<$B2;$A2/$B2;$B2/$A2). Copy it and paste to C2 column. Next drag and drop it down to calculate other values as well.

Final data table looks like here:

accuracy calculated

This way you calculated forecast accuracy and precision in Excel. Thanks to it you can see how how accurate your forecasts were.

Tip: You can use simpler formula: =MIN($A1:$B1)/MAX($A1:$B1)

See also how to use Excel FORECAST function for forecast calculations..

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