Dakota Reference Manual  Version 6.4
Large-Scale Engineering Optimization and Uncertainty Analysis
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cross_validation_metric


Choice of error metric to satisfy

Specification

Alias: none

Argument(s): STRING

Default: root-mean-squared error

Required/Optional Description of Group Dakota Keyword Dakota Keyword Description
Optional folds

Number of cross validation folds

Description

The cross-validation score that the auto-refinement routine seeks to satisfy is based on an error metric. Any of the surrogate diagnostic metrics may be used. These include:

  • root_mean_squared
  • mean_abs
  • rsquared
  • sum_squared
  • mean_squared
  • sum_abs
  • max_abs

Default Behavior The default metric is the the root mean squared error ('root_mean_squared').