Dakota Reference Manual: export_approx_variance_file

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export_approx_variance_file

Output file for surrogate model variance evaluations

## Specification

Alias: none

Argument(s): STRING

Default: no variance export to a file

Child Keywords:

| Required/Optional | Description of Group | Dakota Keyword | Dakota Keyword Description
--- | --- | --- | --- | ---
| Optional (Choose One) | Tabular Format (Group 1) | custom_annotated | Selects custom-annotated tabular file format
annotated | Selects annotated tabular file format
freeform | Selects freeform file format

## Description

Specifies a file in which the points (input variable values) at which the surrogate model is evaluated and corresponding response variance values computed by the surrogate model will be written. The response values are the surrogate's predicted approximation to the truth model responses at those points.

Usage Tips

Dakota exports tabular data in one of three formats:

- `annotated` (default)
- `custom_annotated`
- `freeform`

## See Also

These keywords may also be of interest:

- export_approx_points_file