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FORECAST.ETS

Returns a forecasted value for a specific future target date using exponential smoothing

Syntax

FORECAST.ETS(target_date, values, timeline, [seasonality], [data_completion], [aggregation])

Parameters

  • target_date: Required. The data point for which you want to predict a value
  • values: Required. The historical values
  • timeline: Required. The independent array or range of dates or numeric data
  • seasonality: Optional. The length of the seasonal pattern (default auto-detected)
  • data_completion: Optional. 0=missing points treated as zero, 1=missing points completed by interpolation (default)
  • aggregation: Optional. 1=AVERAGE (default), other aggregation methods

Example

=FORECAST.ETS(DATE(2025,1,1), B2:B14, A2:A14)
Returns: NumberSince: Excel 2016