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Update Word2Vec.scala #18359

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cb12ad4
Update Word2Vec.scala
dgai91 Jun 20, 2017
3fc03d0
Update Word2Vec.scala
dgai91 Jun 20, 2017
d204612
Update Word2Vec.scala
dgai91 Jun 20, 2017
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Update Word2Vec.scala
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@dgai91
dgai91 authored Jun 20, 2017
commit d204612a8159cd0672633c753e75335cc99da7ff
11 changes: 6 additions & 5 deletions mllib/src/main/scala/org/apache/spark/ml/feature/Word2Vec.scala
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Expand Up @@ -274,13 +274,14 @@ class Word2VecModel private[ml] (
wordVectors.findSynonyms(word, num)
}


def doc2Vector(text: String, d: Int): SDV = {
val bVectors = wordVectors.getVectors.collect()
val textArray = text.split(" ")
/**
* using model.getVectors can get the wordVectors then you must convert the DataFrame
* to an Array.
*/
def doc2Vector(textArray: Array[String], d: Int, wordVectors: Array[Row]): SDV = {
var sum = Vectors.zeros(d)
textArray.foreach { word =>
bVectors.value.filter(_.getAs[String]("word") == word).foreach { v =>
wordVectors.value.filter(_.getAs[String]("word") == word).foreach { v =>
val sv = v.getAs[SDV]("vector")
BLAS.axpy(1.0, sv, sum)
}
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