recommender

Documentation

Index

• type MultipleRecommendation
  • func (r MultipleRecommendation) GetDistance() float64
  • func (r MultipleRecommendation) GetRecommendation() []float64
  • func (r MultipleRecommendation) String() string
• type NeighborhoodBasedRecommender
  • func NewNeighborhoodBasedRecommender(data [][]float64, k int) *NeighborhoodBasedRecommender
  • func (nbr *NeighborhoodBasedRecommender) Recommend(items []float64, distanceMeasure vm.Distance, ...) ([]Recommendation, error)
• type Recommendation
• type SerendipitousRecommendation
  • func (r SerendipitousRecommendation) GetDistance() float64
  • func (r SerendipitousRecommendation) GetRecommendation() []float64
  • func (r SerendipitousRecommendation) String() string
• type SingleRecommendation
  • func (r SingleRecommendation) GetDistance() float64
  • func (r SingleRecommendation) GetRecommendation() []float64
  • func (r SingleRecommendation) String() string

Types

type MultipleRecommendation

type MultipleRecommendation struct {
	Index           int         `json:"-"`
	Recommendation  []float64   `json:"recommendation"`
	Distance        float64     `json:"distance"`
	DistanceMeasure vm.Distance `json:"-"`
}

func (MultipleRecommendation) GetDistance

func (r MultipleRecommendation) GetDistance() float64

func (MultipleRecommendation) GetRecommendation

func (r MultipleRecommendation) GetRecommendation() []float64

func (MultipleRecommendation) String

func (r MultipleRecommendation) String() string

type NeighborhoodBasedRecommender

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

NeighborhoodBasedRecommender is a recommender system implemented using k-nearest neighbors

func NewNeighborhoodBasedRecommender

func NewNeighborhoodBasedRecommender(data [][]float64, k int) *NeighborhoodBasedRecommender

NewNeighborhoodBasedRecommender creates a new NeighborhoodBasedRecommender object

func (*NeighborhoodBasedRecommender) Recommend

func (nbr *NeighborhoodBasedRecommender) Recommend(items []float64, distanceMeasure vm.Distance, intercept, shuffle, serendipitous bool) ([]Recommendation, error)

Recommend recommends the n number of items that are closer to a given vector using a given distance measure

type Recommendation

type Recommendation interface {
	String() string
	GetDistance() float64
	GetRecommendation() []float64
}

type SerendipitousRecommendation

type SerendipitousRecommendation struct {
	Recommendation  []float64   `json:"recommendation"`
	DistanceMeasure vm.Distance `json:"-"`
}

func (SerendipitousRecommendation) GetDistance

func (r SerendipitousRecommendation) GetDistance() float64

func (SerendipitousRecommendation) GetRecommendation

func (r SerendipitousRecommendation) GetRecommendation() []float64

func (SerendipitousRecommendation) String

func (r SerendipitousRecommendation) String() string

type SingleRecommendation

type SingleRecommendation struct {
	Recommendation  []float64   `json:"recommendation"`
	DistanceMeasure vm.Distance `json:"-"`
}

func (SingleRecommendation) GetDistance

func (r SingleRecommendation) GetDistance() float64

func (SingleRecommendation) GetRecommendation

func (r SingleRecommendation) GetRecommendation() []float64

func (SingleRecommendation) String

func (r SingleRecommendation) String() string