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Managing grouping options for numeric predictors manually


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Combine values or ranges based on the similarity of numeric predictor behavior.

You can use the Auto grouping option and enable Prediction Studio to group predictors automatically. See Auto grouping option for predictors.
  1. In the Data analysis step, click a numeric predictor.

  2. In the predictor workspace, click the Grouping tab.

  3. In the Granularity field, enter the maximum probability of spurious difference in behavior.

    Reducing this probability reduces interval or category numbers.
  4. In the Minimum size (% of samples) field, specify the minimum number of cases in each interval or category. Click Apply.

    This option ensures that the behavior evidence is sufficient to be used in grouping. Intervals with few cases are combined with their nearest neighbor. Categories with few cases are combined into a residual bin.
  5. Optional:

    To read the data in a graph or a table, click the Graphical view tab or the Tabular view tab

  6. Confirm your updates by clicking Submit.

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