Blurb::
Multiplier to scale prior variance
Description::
The initial proposal covariance will be given by the prior variance
times the multiplier.

*Default Behavior*
When using prior-based proposal covariance, the default is to use the
prior variance for the proposal (multiplier = 1.0)

*Usage Tips*

The prior variance may result in too tight or narrow a proposal
covariance. The multiplier can be used to scale all entries of the
prior variance in determining the initial proposal covariance.
Topics::

Examples::

.. code-block::

    method
      bayes_calibration queso
        samples = 2000 seed = 348
        dram
        proposal_covariance prior
          multiplier 0.1


Theory::

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