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Step 2: Select Training and Test Data Ranges During this step, you need to define how much data will be used for the model preparation. You can also allocate manually the portion of this data that should be used for walk-forward testing. To select the amount and position of the price data: 1. To define the duration of the test period, in the Price data range area, select the Use last option and enter the amount of data that you want to use. Note: The system supports defining the duration of the testing period in bars, years, months or weeks. 2. To precisely specify the start and the end date for the data used for the model preparation, select the Custom date range option. Note: This option is especially useful if you want to train or test the model on certain price patterns. 3. Select the Use all available data to use all the data available for this security. 261
