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Dakota Reference Manual
Version 6.15
Explore and Predict with Confidence
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This keyword enables the use of deterministic polynomial trend function
Alias: none
Argument(s): none
Default: reduced_quadratic
Child Keywords:
Required/Optional | Description of Group | Dakota Keyword | Dakota Keyword Description | |
---|---|---|---|---|
Required (Choose One) | Trend Order (Group 1) | none | No trend function | |
constant | Constant trend function | |||
linear | Use a linear polynomial or trend function | |||
reduced_quadratic | Quadratic polynomials - main effects only | |||
quadratic | Use a quadratic polynomial or trend function |
Enable the use of a deterministic polynomial trend function whose coefficients are found through regression. The user may choose a constant, linear, or quadratic polynomial.
Default Behavior Defaults to no trend when keyword is absent.