freeform
Selects free-form tabular file format for experiment data
Topics
file_formats
Specification
Alias: None
Arguments: None
Default: annotated format
Description
A freeform tabular file is whitespace-separated text file with no leading header row and no leading columns. For experiment data files, each row contains data for configuration variables, observatiions, and/or observation errors, depending on context.
Default Behavior
By default, Dakota imports tabular experiment data files in annotated
format. Specify freeform
to instead select this format.
Usage Tips
Prior to October 2011, calibration and surrogate data files were in free-form format. They now default to
annotated
format, thoughfreeform
remains an option.When importing tabular data, a warning will be generated if a specific number of data are expected, but extra is found and an error generated when there is insufficient data.
Examples
Import a free-form experimental data file containing raw experiment data in a calibration study
responses
...
scalar_data_file 'shock_experiment.dat'
freeform
Example data file with two measured quantities, three experiments:
18.23 83.21
34.14 93.24
22.41 88.92