Dakota Reference Manual  Version 6.15
Explore and Predict with Confidence
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cross_validation


Truncate the subspace to minimize surrogate cross-validation error

Specification

Alias: none

Argument(s): none

Default: relative

Child Keywords:

Required/Optional Description of Group Dakota Keyword Dakota Keyword Description
Optional
(Choose One)
CV Selection Criterion (Group 1) minimum

Select subspace to minimize cross-validation error

relative

Choose subspace with cross-validation error less than tolerance

decrease

Choose subspace where cross-validation error stabilizes

Optional relative_tolerance

Tolerance for cross-validation error value

Optional decrease_tolerance

Tolerance for cross-validation error stabilization

Optional max_rank

Maximum subspace dimension to consider

Optional exhaustive

Assess all admissible subspace dimensions

Description

Select the subspace dimension that minimizes the 10-fold cross-validation error when constructing a moving least squares surrogate model.