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https://issues.apache.org/jira/browse/SPARK-23166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-23166:
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Assignee: (was: Apache Spark)
> Add maxDF Parameter to CountVectorizer
> --------------------------------------
>
> Key: SPARK-23166
> URL: https://issues.apache.org/jira/browse/SPARK-23166
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 2.2.1
> Reporter: Yacine Mazari
> Priority: Minor
>
> Currently, the {{CountVectorizer}} has a {{minDF}} parameter.
> It might be useful to also have a {{maxDF}} parameter.
> It will be used as a threshold for filtering all the terms that occur very
> frequently in a text corpus, because they are not very informative or could
> even be stop-words.
> This is analogous to scikit-learn,
> [CountVectorizer|http://scikit-learn.org/stable/modules/generated/sklearn.feature_extraction.text.CountVectorizer.html],
> max_df.
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