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IBM Employees should enter Ideas at

Status Future consideration
Workspace SPSS Modeler
Components SPSS Modeler
Created by Guest
Created on Sep 24, 2019

Allow Future Values in Data for Time Series Modeling

A beer producer may want to incorporate the Super Bowl as an event in its week-based time series forecasts.  The effect could be included in the source data as a flag field, in which 1's are entered for weeks in which the Super Bowl has occurred in the past and is scheduled to occur in the future.  The Time Series modeling node currently only allows two options for specifying future values in the "Future Values to use in Forecasting" section of the Modeling Option tab in the Time Series modeling node: "Compute future values of inputs" in which SPSS Modeler employs a time series model for forecasting an input field's values (without giving the user control over this process), and "Select fields whose values you wish to add to the data",  in which the user must specify all of the future values in an input window that includes only the sequence of numbers for each forecast period, without the dates of the periods appearing in the window.  Rather than specifying the future values in this input window, it would easier to enter them into a source file, such as an Excel file.   

Needed by Date Jan 1, 2020