Forecast Sheet In Excel For Mac

Note: In Excel 2016, this function has been replaced with as part of the new. It's still available for backward compatibility, but consider using the new function in Excel 2016. Description Calculates, or predicts, a future value by using existing values. Free mac os x download for virtualbox. The predicted value is a y-value for a given x-value.

Feb 5, 2018 - Automatically Forecast historical data using the new Excel Forecast Sheet tool that takes into account seasonality using exponential triple.

The known values are existing x-values and y-values, and the new value is predicted by using linear regression. You can use this function to predict future sales, inventory requirements, or consumer trends. Syntax FORECAST(x, known_y's, known_x's) The FORECAST function syntax has the following arguments: • X Required. The data point for which you want to predict a value.

• Known_y's Required. The dependent array or range of data. • Known_x's Required. The independent array or range of data.

Remarks • If x is nonnumeric, FORECAST returns the #VALUE! • If known_y's and known_x's are empty or contain a different number of data points, FORECAST returns the #N/A error value. • If the variance of known_x's equals zero, then FORECAST returns the #DIV/0! • The equation for FORECAST is a+bx, where: and: and where x and y are the sample means AVERAGE(known_x's) and AVERAGE(known y's). Example Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data.

Known Y Known X 6 20 7 28 9 31 15 38 21 40 Formula Description Result =FORECAST(30,A2:A6,B2:B6) Predicts a value for y given an x value of 53.

Excel 2016 has a handful of new functions to help you forecast numbers – typically sales data – more accurately than before. 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 FORECAST.LINEAR: creates a straight-line forecast FORECAST.ETS: estimates a trend using seasonality FORECAST.ETS.SEASONALITY: shows the length of a seasonal cycle FORECAST.ETS.CONFINT: the confidence interval of the estimate FORECAST.ETS.STAT: calculates 8 statistical algorithms These work the same in both the Windows and Mac versions of Excel 2016. Once you have the results, you can create a chart in the Windows version that shows the forecasts and expected margins of error. The Forecast Sheet chart isn’t available on the Mac edition of 2016, but you can still create a regular chart. If you'd like to follow along, download this zip file and extract the workbook from it: Straight Line Forecasting The workbook has two tabs: straight line and seasonality. Start with the straight line tab.