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Data Analytics
6 May 2026 6 min

Forecasting in Excel: Simple Methods That Work

Forecasting in Excel with simple methods that work: the formula for each, from repeating last month to a moving average, FORECAST.LINEAR, a trend times seasonal index and FORECAST.ETS, plus an honest test on a real monthly series where the right simple method cut the error from over 40% to 12%.

GloryTecks Team
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