values
Specifies matrix values to use as the MCMC proposal covariance.
Specification
Alias: None
Arguments: REALLIST
Child Keywords:
Required/Optional |
Description of Group |
Dakota Keyword |
Dakota Keyword Description |
---|---|---|---|
Required (Choose One) |
Values For |
Specifies the diagonal matrix format when specifying a user-specified proposal covariance. |
|
Specifies the full matrix format when specifying a user-specified proposal covariance. |
Description
This keyword selection results in definition of the MCMC proposal covariance from user-specified matrix values. The matrix input format must be declared as either a full matrix or a matrix diagonal.
Default Behavior
This option is not the default, and generally implies special a priori knowledge from the user.
Usage Tips
This option is not supported for the case of transformations to standardized probability space.
Examples
method,
bayes_calibration queso
samples = 1000 seed = 348
dram
proposal_covariance
values ... # See leaf nodes for required format option