.. _method-bayes_calibration-model_discrepancy-discrepancy_type:

""""""""""""""""
discrepancy_type
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Specify the type of model discrepancy


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

   method-bayes_calibration-model_discrepancy-discrepancy_type-gaussian_process
   method-bayes_calibration-model_discrepancy-discrepancy_type-polynomial


**Specification**

- *Alias:* None

- *Arguments:* None

- *Default:* gaussian process


**Child Keywords:**

+-------------------------+--------------------+----------------------+-----------------------------------------------+
| Required/Optional       | Description of     | Dakota Keyword       | Dakota Keyword Description                    |
|                         | Group              |                      |                                               |
+=========================+====================+======================+===============================================+
| Required (Choose One)   | Discrepancy Model  | `gaussian_process`__ | Use the Surfpack version of Gaussain process  |
|                         |                    |                      | as the discrepancy model                      |
|                         |                    +----------------------+-----------------------------------------------+
|                         |                    | `polynomial`__       | Use a polynomial surrogate as the discrepancy |
|                         |                    |                      | model                                         |
+-------------------------+--------------------+----------------------+-----------------------------------------------+

.. __: method-bayes_calibration-model_discrepancy-discrepancy_type-gaussian_process.html
__ method-bayes_calibration-model_discrepancy-discrepancy_type-polynomial.html



**Description**




