neatns

type ItemsDistance struct {
	// contains filtered or unexported fields
}

type ItemsDistances []ItemsDistance

type NoveltyArchive struct {
	// NovelItems all the novel items we have found so far
	NovelItems []*NoveltyItem
	// FittestItems all novel items from the fittest organisms found so far
	FittestItems NoveltyItemsByFitness

	// Generation the current generation
	Generation int
	// contains filtered or unexported fields
}

type NoveltyArchiveOptions struct {
	// KNNNoveltyScore how many nearest neighbors to consider for calculating novelty score, i.e., for how many
	// neighbors to look at for N-nearest neighbor distance novelty
	KNNNoveltyScore int
	// FittestAllowedSize the maximal allowed size for fittest items list
	FittestAllowedSize int
	// ArchiveSeedAmount is the minimal number of seed novelty items to start from
	ArchiveSeedAmount int
}

type NoveltyItem struct {

	// The generation when item was added to archive
	Generation int `json:"generation"`

	// The ID of associated individual organism */
	IndividualID int `json:"individual_id"`

	// The fitness of the associated organism
	Fitness float64 `json:"fitness"`
	// The novelty of this item
	Novelty float64 `json:"novelty"`
	// The item's age
	Age float64 `json:"age"`

	// The data associated with item
	Data []float64 `json:"data"`
	// contains filtered or unexported fields
}

type NoveltyItemsByFitness []*NoveltyItem

type NoveltyMetric func(x, y *NoveltyItem) float64