![]() You need dates and their corresponding numbers for all the forecasting functions. ![]() The sheet has two columns of monthly data: dates and units sold. This type of data doesn’t have a cycle, which means the sales don’t depend on the time of year. The workbook has two tabs: straight line and seasonality. If you'd like to follow along, download this zip file and extract the workbook from it: ![]() The Forecast Sheet chart isn’t available on the Mac edition of 2016, but you can still create a regular chart. Once you have the results, you can create a chart in the Windows version that shows the forecasts and expected margins of error. These work the same in both the Windows and Mac versions of Excel 2016. ![]() The older FORECAST function still exists for compatibility with worksheets created in older versions, but if you’re creating a new sheet, you’ll want to use one of these…įORECAST.LINEAR: creates a straight-line forecastįORECAST.ETS: estimates a trend using seasonalityį: shows the length of a seasonal cycleį: the confidence interval of the estimateį: calculates 8 statistical algorithms Excel 2016 has a handful of new functions to help you forecast numbers – typically sales data – more accurately than before.
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