Dakota Reference Manual: fitness_type

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fitness_type

Select fitness type

## Specification

Alias: none

Argument(s): none

Default: linear_rank

Child Keywords:

| Required/Optional | Description of Group | Dakota Keyword | Dakota Keyword Description
--- | --- | --- | --- | ---
| Required (Choose One) | Fitness Type (Group 1) | linear_rank | Set selection scaling
merit_function | Balance goals of reducing objective function and satisfying constraints

## Description

The `fitness_type` controls how strongly differences in "fitness" (i.e., the objective function) are weighted in the process of selecting "parents" for crossover. It has two options, `linear_rank` and `merit_function`.