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Forecast Specification

Figure 8.37: Forecast Specification

The following items are displayed: Historical Data Specification

Data Set holds the name of the dataset to forecast.

Browse... opens the standard SAS Open dialog box to help select a dataset to forecast.

Time ID Variable holds the time ID variable to forecast over.

Time Interval fixes the time interval for the Time ID Variable.

Analysis Variable holds the data variable upon which to forecast.

View Table... opens a table that displays in a list the contents of the specified dataset.

View Graph... opens the Time Series Viewer that graphically displays the contents of the specified dataset.

Horizon holds the number of periods into the future you wish to forecast.

Confidence holds the confidence limit for applicable forecasts.

Compute Forecast fills the Cashflow Chart with the forecast.

The box below holds the type of forecast you wish to generate:

• Predicted Value
• Lower Confidence Limit
• Upper Confidence Limit

The Cashflow Chart fills when you click Compute Forecast. The box to the right of the scroll bar controls the number of entries with which to fill the graph. If the number in this box is less than the total number of entries, you can use the scroll bar to view different segments of the cashflow. The left box below the scroll bar holds the frequency for drilling purposes.

Subtract becomes available when the collection of entries is adequately specified. Clicking Subtract then returns you to the Generic Cashflow dialog box subtracting the forecast from the current cashflow.

Add becomes available when the collection of entries is adequately specified. Clicking Add then returns you to the Generic Cashflow adding the forecast to the current cashflow.

Cancel returns to Generic Cashflow dialog box without editing the cashflow.

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