.. _method-soga-convergence_type:

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


Select the convergence type for JEGA methods


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

   method-soga-convergence_type-best_fitness_tracker
   method-soga-convergence_type-average_fitness_tracker


**Specification**

- *Alias:* None

- *Arguments:* None

- *Default:* average_fitness_tracker


**Child Keywords:**

+-------------------------+--------------------+-----------------------------+-----------------------------------------------+
| Required/Optional       | Description of     | Dakota Keyword              | Dakota Keyword Description                    |
|                         | Group              |                             |                                               |
+=========================+====================+=============================+===============================================+
| Required (Choose One)   | Convergence Type   | `best_fitness_tracker`__    | Tracks the best fitness of the population     |
|                         |                    +-----------------------------+-----------------------------------------------+
|                         |                    | `average_fitness_tracker`__ | Tracks the average fitness of the population  |
+-------------------------+--------------------+-----------------------------+-----------------------------------------------+

.. __: method-soga-convergence_type-best_fitness_tracker.html
__ method-soga-convergence_type-average_fitness_tracker.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``.


