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." + s" exception: ${e}.") throw e } } likeevent }.cache() new trainingdata( users = usersrdd, items = itemsrdd, viewevents = vieweventsrdd, likeevents = likeeventsrdd // added ) } } ... case class likeevent( // added user: string, item: string, t: long, like: boolean // true: like. false: dislike )
class trainingdata( val users: rdd[(string, user)], val items: rdd[(string, item)], val viewevents: rdd[viewevent], val likeevents: rdd[likeevent] // added ) extends serializable { override def tostring = { s"users: [${users.count()} (${users.take(2).tolist}...)]" + s"items: [${items.count()} (${items.take...
https://predictionio.apache.org/templates/similarproduct/multi-events-multi-algos/