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https://issues.apache.org/jira/browse/SPARK-22700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16372292#comment-16372292
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Joseph K. Bradley commented on SPARK-22700:
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Resolved for branch-2.2 via https://github.com/apache/spark/pull/20539
> Bucketizer.transform incorrectly drops row containing NaN
> ---------------------------------------------------------
>
> Key: SPARK-22700
> URL: https://issues.apache.org/jira/browse/SPARK-22700
> Project: Spark
> Issue Type: Bug
> Components: ML
> Affects Versions: 2.2.0, 2.3.0
> Reporter: zhengruifeng
> Assignee: zhengruifeng
> Priority: Major
> Fix For: 2.2.2, 2.3.0
>
>
> {code}
> import org.apache.spark.ml.feature._
> val df = spark.createDataFrame(Seq((2.3, 3.0), (Double.NaN, 3.0), (6.7,
> Double.NaN))).toDF("a", "b")
> val splits = Array(Double.NegativeInfinity, 3.0, Double.PositiveInfinity)
> val bucketizer: Bucketizer = new
> Bucketizer().setInputCol("a").setOutputCol("aa").setSplits(splits)
> bucketizer.setHandleInvalid("skip")
> scala> df.show
> +---+---+
> | a| b|
> +---+---+
> |2.3|3.0|
> |NaN|3.0|
> |6.7|NaN|
> +---+---+
> scala> bucketizer.transform(df).show
> +---+---+---+
> | a| b| aa|
> +---+---+---+
> |2.3|3.0|0.0|
> +---+---+---+
> {code}
> When {{handleInvalid}} is set {{skip}}, the last item in input is incorrectly
> droped, though colum 'b' is not an input column
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