[jira] [Created] (SPARK-2511) Add TF-IDF featurizer

[Xiangrui Meng (JIRA)]

Xiangrui Meng created SPARK-2511:
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             Summary: Add TF-IDF featurizer
                 Key: SPARK-2511
                 URL: https://issues.apache.org/jira/browse/SPARK-2511
             Project: Spark
          Issue Type: New Feature
          Components: MLlib
            Reporter: Xiangrui Meng
            Assignee: Xiangrui Meng


Port the TF-IDF implementation that was used in the Databricks Cloud demo to 
MLlib.



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