purijatin commented on a change in pull request #29482:
URL: https://github.com/apache/spark/pull/29482#discussion_r474157711
##########
File path:
mllib/src/main/scala/org/apache/spark/ml/feature/CountVectorizer.scala
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@@ -241,7 +241,9 @@ class CountVectorizer @Since("1.5.0") (@Since("1.5.0")
override val uid: String)
}
wordCounts.unpersist()
- require(vocab.length > 0, "The vocabulary size should be > 0. Lower minDF
as necessary.")
+ if (vocab.isEmpty) {
+ this.logWarning("The vocabulary size is empty. Alter minDF/maxDF as
necessary.")
Review comment:
Yes :). Thanks for the suggestion. That definitely makes it better. Made
the change. Is this fine?
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