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https://issues.apache.org/jira/browse/SPARK-10663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14877127#comment-14877127
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Sean Owen commented on SPARK-10663:
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[~jzhang] I see model.transform(test.toDF) on the current docs:
http://spark.apache.org/docs/latest/ml-guide.html#example-pipeline I think
this is indeed redundant. Only one instance uses .toDF
> Change test.toDF to test in Spark ML Programming Guide
> ------------------------------------------------------
>
> Key: SPARK-10663
> URL: https://issues.apache.org/jira/browse/SPARK-10663
> Project: Spark
> Issue Type: Documentation
> Components: Documentation
> Reporter: Matt Hagen
> Priority: Trivial
>
> Spark 1.5.0 > Spark ML Programming Guide > Example: Pipeline
> I believe model.transform(test.toDF) should be model.transform(test).
> Note that "test" is already a DataFrame.
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