purijatin commented on a change in pull request #23549: [SPARK-26616][MLlib]
Expose document frequency in IDFModel
URL: https://github.com/apache/spark/pull/23549#discussion_r248184543
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File path: mllib/src/main/scala/org/apache/spark/ml/feature/IDF.scala
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@@ -151,6 +151,15 @@ class IDFModel private[ml] (
@Since("2.0.0")
def idf: Vector = idfModel.idf.asML
+ /** Returns the DF */
+ @Since("3.0.0")
+ def df: Array[Long] = idfModel.df
Review comment:
Renamed it as `docFreq`. Thanks.
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