Package com.r4tings.recommender.model.tfidf

Class TermFrequencyInverseDocumentFrequency

java.lang.Object

com.r4tings.recommender.model.tfidf.TermFrequencyInverseDocumentFrequency

public class TermFrequencyInverseDocumentFrequency
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
TermFrequencyInverseDocumentFrequency(TermFrequencyInverseDocumentFrequencyParams params)

Method Summary

Modifier and Type	Method	Description
protected org.apache.spark.sql.Dataset<org.apache.spark.sql.Row>	execute(org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> ratingDS, org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> termDS, java.lang.Object[] ids)
org.apache.spark.sql.Dataset<org.apache.spark.sql.Row>	recommend(org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> ratings, org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> terms, int topN, java.lang.Object... userId)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TermFrequencyInverseDocumentFrequency

public TermFrequencyInverseDocumentFrequency(TermFrequencyInverseDocumentFrequencyParams params)

Method Detail

recommend

public org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> recommend(org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> ratings,
                                                                        org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> terms,
                                                                        int topN,
                                                                        java.lang.Object... userId)

execute

protected org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> execute(org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> ratingDS,
                                                                         org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> termDS,
                                                                         java.lang.Object[] ids)