.. _method-bayes_calibration-queso-emulator-mf_sc:

"""""
mf_sc
"""""


Multifidelity Stochastic Collocation as an emulator model.


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

   method-bayes_calibration-queso-emulator-mf_sc-p_refinement
   method-bayes_calibration-queso-emulator-mf_sc-h_refinement
   method-bayes_calibration-queso-emulator-mf_sc-max_refinement_iterations
   method-bayes_calibration-queso-emulator-mf_sc-allocation_control
   method-bayes_calibration-queso-emulator-mf_sc-discrepancy_emulation
   method-bayes_calibration-queso-emulator-mf_sc-quadrature_order_sequence
   method-bayes_calibration-queso-emulator-mf_sc-sparse_grid_level_sequence
   method-bayes_calibration-queso-emulator-mf_sc-piecewise
   method-bayes_calibration-queso-emulator-mf_sc-askey
   method-bayes_calibration-queso-emulator-mf_sc-wiener
   method-bayes_calibration-queso-emulator-mf_sc-use_derivatives
   method-bayes_calibration-queso-emulator-mf_sc-diagonal_covariance
   method-bayes_calibration-queso-emulator-mf_sc-full_covariance


**Specification**

- *Alias:* None

- *Arguments:* None


**Child Keywords:**

+-------------------------+--------------------+--------------------------------+---------------------------------------------+
| Required/Optional       | Description of     | Dakota Keyword                 | Dakota Keyword Description                  |
|                         | Group              |                                |                                             |
+=========================+====================+================================+=============================================+
| Optional (Choose One)   | Automated          | `p_refinement`__               | Automatic polynomial order refinement       |
|                         | Refinement Type    +--------------------------------+---------------------------------------------+
|                         |                    | `h_refinement`__               | Employ h-refinement to refine the grid      |
+-------------------------+--------------------+--------------------------------+---------------------------------------------+
| Optional                                     | `max_refinement_iterations`__  | Maximum number of expansion refinement      |
|                                              |                                | iterations                                  |
+----------------------------------------------+--------------------------------+---------------------------------------------+
| Optional                                     | `allocation_control`__         | Sample allocation approach for              |
|                                              |                                | multifidelity expansions                    |
+----------------------------------------------+--------------------------------+---------------------------------------------+
| Optional                                     | `discrepancy_emulation`__      | Formulation for emulation of model          |
|                                              |                                | discrepancies.                              |
+-------------------------+--------------------+--------------------------------+---------------------------------------------+
| Required (Choose One)   | Interpolation Grid | `quadrature_order_sequence`__  | Sequence of quadrature orders used in a     |
|                         | Type               |                                | multi-stage expansion                       |
|                         |                    +--------------------------------+---------------------------------------------+
|                         |                    | `sparse_grid_level_sequence`__ | Sequence of sparse grid levels used in a    |
|                         |                    |                                | multi-stage expansion                       |
+-------------------------+--------------------+--------------------------------+---------------------------------------------+
| Optional (Choose One)   | Basis Polynomial   | `piecewise`__                  | Use piecewise local basis functions         |
|                         | Family             +--------------------------------+---------------------------------------------+
|                         |                    | `askey`__                      | Select the standardized random variables    |
|                         |                    |                                | (and associated basis polynomials) from the |
|                         |                    |                                | Askey family that best match the            |
|                         |                    |                                | user-specified random variables.            |
|                         |                    +--------------------------------+---------------------------------------------+
|                         |                    | `wiener`__                     | Use standard normal random variables (along |
|                         |                    |                                | with Hermite orthogonal basis polynomials)  |
|                         |                    |                                | when transforming to a standardized         |
|                         |                    |                                | probability space.                          |
+-------------------------+--------------------+--------------------------------+---------------------------------------------+
| Optional                                     | `use_derivatives`__            | Use derivative data to construct surrogate  |
|                                              |                                | models                                      |
+-------------------------+--------------------+--------------------------------+---------------------------------------------+
| Optional (Choose One)   | Covariance Type    | `diagonal_covariance`__        | Display only the diagonal terms of the      |
|                         |                    |                                | covariance matrix                           |
|                         |                    +--------------------------------+---------------------------------------------+
|                         |                    | `full_covariance`__            | Display the full covariance matrix          |
+-------------------------+--------------------+--------------------------------+---------------------------------------------+

.. __: method-bayes_calibration-queso-emulator-mf_sc-p_refinement.html
__ method-bayes_calibration-queso-emulator-mf_sc-h_refinement.html
__ method-bayes_calibration-queso-emulator-mf_sc-max_refinement_iterations.html
__ method-bayes_calibration-queso-emulator-mf_sc-allocation_control.html
__ method-bayes_calibration-queso-emulator-mf_sc-discrepancy_emulation.html
__ method-bayes_calibration-queso-emulator-mf_sc-quadrature_order_sequence.html
__ method-bayes_calibration-queso-emulator-mf_sc-sparse_grid_level_sequence.html
__ method-bayes_calibration-queso-emulator-mf_sc-piecewise.html
__ method-bayes_calibration-queso-emulator-mf_sc-askey.html
__ method-bayes_calibration-queso-emulator-mf_sc-wiener.html
__ method-bayes_calibration-queso-emulator-mf_sc-use_derivatives.html
__ method-bayes_calibration-queso-emulator-mf_sc-diagonal_covariance.html
__ method-bayes_calibration-queso-emulator-mf_sc-full_covariance.html



**Description**


Selects a multifidelity stochastic collocation (MF SC)
surrogate model to use in the Bayesian likelihood calculations.  Most
specification options are carried over for using MF SC as a surrogate
within the Bayesian framework.