retrospectacus
retrospectacus
/ streaming_knn.scala
Last active
May 2, 2018 23:26
— forked from zeryx/streaming_knn.scala
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| val result: Stream[Task, Prediction] = specimenStream.flatMap((spec: Document) =>{ | |
| modelStream.fold(List.empty[TopN]) { case (topNVec, mod) => | |
| val res = calcDistance(spec, mod) | |
| val newTopN = TopN(res.modelElm.label.get, res.distance) | |
| (topNVec :+ newTopN).sortBy(res => res.confidence).take(nearest) | |
| }.map(topNVec => Prediction(spec.text, topNVec.toList) ) | |
| }) |