Introduction
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To create a default operations scenario in Source:
- First, create a manager scenario;
- Choose Tools » River Operations to open the River Operations dialog (Figure 1); and
- Click on the slider below Operations Mode to ON.
Once you have created forecast models, you can disable operations, but retain these models or overrides using the buttons under Operations Data. The first two buttons in this dialog deal with removing input data, whereas the third one deletes all output data that was created for the forecast models. To clear all operations related data (input, output as a well as overrides), click Clear ALL Operations Data.
Figure 1. River Operations
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Figure 4 shows a forecasting scenario (associated with Wet Input Set) with two forecast models. Both Forecast Model #1 (which will run for the first 10 time-steps) and Model #2 (which will run for the remaining time-steps) have been configured as Expression modelsFunction models. To change the name of a forecasting scenario or model, right-click and choose Rename. Choose Delete to remove the scenario or model.
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Forecast model type | Description |
|---|---|
| Average | Average over the last specified time-steps |
ExpressionFunction | User defined arithmetic expressions/functions |
Monthly Average | Daily average for the month in megalitres per day. |
Time Series | Supports the inclusion of forecast data using data sources. |
Trend | A single target value (either positive or negative) plus a recession rate. |
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This allows you to define the average over the last specified number of time-steps.
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Function forecast model
You can define an expression expression or function to return any value you choose for each time-step in the forecast period. For example:
- a fixed value; or
- a fixed proportion of a variable that is available to the expression editorFunction Editor.
Monthly Average forecast model
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