Github user srowen commented on a diff in the pull request: https://github.com/apache/spark/pull/20367#discussion_r163640976 --- Diff: mllib/src/main/scala/org/apache/spark/ml/feature/CountVectorizer.scala --- @@ -113,7 +132,11 @@ private[feature] trait CountVectorizerParams extends Params with HasInputCol wit /** @group getParam */ def getBinary: Boolean = $(binary) - setDefault(vocabSize -> (1 << 18), minDF -> 1.0, minTF -> 1.0, binary -> false) + setDefault(vocabSize -> (1 << 18), + minDF -> 1.0, + maxDF -> Long.MaxValue, --- End diff -- Yeah, I get it. It didn't work that way before; seems valuable only if you can avoid the whole filter stage (both values are set to filter nothing). Even there, I wonder if that makes any appreciable difference? I suppose I would have just done the straightforward thing here, and so this change looks OK to me.
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