.. _method-approximate_control_variate-final_statistics-qoi_statistics-final_moments-central:

"""""""
central
"""""""


Output central moments and include them within the set of final statistics.


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



**Specification**

- *Alias:* None

- *Arguments:* None


**Description**


Output central moments (mean, variance, 3rd central, and 4th central) and include the first two within the set of final statistics to be used at a higher level (e.g., optimization under uncertainty, mixed aleatory-epistemic UQ).  This inclusion of moment results affects the primary and/or secondary response mappings in a nested model specificaton.



**Examples**


The following method specification overrides the default to print ``central`` moments and include them in the set of final statistics.

.. code-block::

    method,
      sampling
        samples = 50 seed = 1234
        response_levels = 3.6e+11 1.2e+05 3.5e+05
        final_moments central