recommender

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v0.0.0-...-2709dfa Latest Latest
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 Go to latest Published: Mar 13, 2023 License: BSD-2-Clause Imports: 4 Imported by: 0

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Functions

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Types

type Redrec 

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

Redrec struct

func New 

func New(url string) (*Redrec, error)

New returns a new Redrec

func (*Redrec) BatchUpdateSimilarUsers 

func (rr *Redrec) BatchUpdateSimilarUsers(max int) error

BatchUpdateSimilarUsers runs on all the users, getting the similarity candidates for each user and storing the similar users and scores in a sorted set

func (*Redrec) CalcItemProbability 

func (rr *Redrec) CalcItemProbability(user string, item string) (float64, error)

CalcItemProbability takes all the user`s similars that rated the input item and calculates the average score.

func (*Redrec) CloseConn 

func (rr *Redrec) CloseConn()

CloseConn closes the Redis connection

func (*Redrec) GetUserSuggestions 

func (rr *Redrec) GetUserSuggestions(user string, max int) ([]string, error)

GetUserSuggestions return the existing user suggestions range for a given user as a []string

func (*Redrec) Rate 

func (rr *Redrec) Rate(item string, user string, score float64) error

Rate adds user->score to a given item

func (*Redrec) UpdateSuggestedItems 

func (rr *Redrec) UpdateSuggestedItems(user string, max int) error

UpdateSuggestedItems gets the candidate suggest items for a given user and stores the calculated probability for each item in a sorted set

Source Files

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