[GitHub] [spark] srowen commented on a change in pull request #25250: [SPARK-21481][ML] Add indexOf method in ml.feature.HashingTF

[GitBox <gi...@apache.org>]

srowen commented on a change in pull request #25250: [SPARK-21481][ML] Add indexOf method in ml.feature.HashingTF
URL: https://github.com/apache/spark/pull/25250#discussion_r307399395
 
 

 ##########
 File path: mllib/src/main/scala/org/apache/spark/ml/feature/HashingTF.scala
 ##########
 @@ -94,15 +99,19 @@ class HashingTF @Since("1.4.0") (@Since("1.4.0") override val uid: String)
   @Since("2.0.0")
   override def transform(dataset: Dataset[_]): DataFrame = {
     val outputSchema = transformSchema(dataset.schema)
-
-    val hashingTF = new OldHashingTF($(numFeatures)).setBinary($(binary))
-    val func = (terms: Seq[_]) => {
-      val seq = hashingTF.transformImpl(terms)
-      Vectors.sparse(hashingTF.numFeatures, seq)
+    val hashUDF = udf { (terms: Seq[_]) => {
 
 Review comment:
   Tiny nit: I think you can omit the inner set of braces here

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services

---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscribe@spark.apache.org
For additional commands, e-mail: reviews-help@spark.apache.org