.. _method-moga-convergence_type:

""""""""""""""""
convergence_type
""""""""""""""""


Select the convergence type for JEGA methods


.. toctree::
   :hidden:
   :maxdepth: 1

   method-moga-convergence_type-metric_tracker
   method-moga-convergence_type-percent_change
   method-moga-convergence_type-num_generations


**Specification**

- *Alias:* None

- *Arguments:* None

- *Default:* average_fitness_tracker


**Child Keywords:**

+-------------------------+--------------------+---------------------+-----------------------------------------------+
| Required/Optional       | Description of     | Dakota Keyword      | Dakota Keyword Description                    |
|                         | Group              |                     |                                               |
+=========================+====================+=====================+===============================================+
| Required                                     | `metric_tracker`__  | Track changes in the non-dominated frontier   |
+----------------------------------------------+---------------------+-----------------------------------------------+
| Optional                                     | `percent_change`__  | Define the convergence criterion for JEGA     |
|                                              |                     | methods                                       |
+----------------------------------------------+---------------------+-----------------------------------------------+
| Optional                                     | `num_generations`__ | Define the convergence criterion for JEGA     |
|                                              |                     | methods                                       |
+----------------------------------------------+---------------------+-----------------------------------------------+

.. __: method-moga-convergence_type-metric_tracker.html
__ method-moga-convergence_type-percent_change.html
__ method-moga-convergence_type-num_generations.html



**Description**


The two JEGA methods use different convergence types, which are
described on their respective pages.

All the convergence types are modified by the optional keywords
``percent_change`` and ``num_generations``.


