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Posted to issues@spark.apache.org by "Jatin Puri (JIRA)" <ji...@apache.org> on 2019/01/14 16:00:03 UTC

[jira] [Created] (SPARK-26616) Expose document frequency in IDFModel

Jatin Puri created SPARK-26616:
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             Summary: Expose document frequency in IDFModel
                 Key: SPARK-26616
                 URL: https://issues.apache.org/jira/browse/SPARK-26616
             Project: Spark
          Issue Type: Improvement
          Components: ML, MLlib
    Affects Versions: 2.4.0
            Reporter: Jatin Puri


As part of `org.apache.spark.ml.feature.IDFModel`, the following can be exposed:
 
1. Document frequency vector
2. Number of documents
 
The above are already computed in calculating idf vector. It simply need to be exposed as `public val`
 
This avoids re-implementation for someone who needs to compute DocumentFrequency of terms. 



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