To define a derived metric, you must select the Metric Definition tab and click the New metric button. A menu appears asking you the kind of metric you want to define. Select Basic metric and then the type of the results you are looking for (i.e. Class, Feature, Line, ...). Once done, you can perform the following steps:

  1. Enter a name for the metric in the "Name" field. Next to the field you will see the type of metric as well as the unit for this metric.
  2. Enter a description for the metric. The description is shown as a tooltip when you navigate the list of available metrics.
  3. Choose your criteria by selecting the item with ... in the Criterion definition list. Once selected you can press Ctrl+Space to see the list of available criterion. Once the criterion is set, you can add some properties (e.g. a property could be STRING if the criterion you have is to look for descendants of the STRING class).
  4. Once you have completed the metric definition you need to save your metric by clicking on the Save button.
  5. If you want to define another derived metric, repeat all the previous steps.

For more information about criterion, read the Managing criterion section.

A summary of the metric you just defined appears in a textual representation in the Expression text field.

See Also:
Managing metrics
Managing criterion

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