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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