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https://issues.apache.org/jira/browse/SPARK-7857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon updated SPARK-7857:
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Labels: bulk-closed (was: )
> IDF w/ minDocFreq on SparseVectors results in literal zeros
> -----------------------------------------------------------
>
> Key: SPARK-7857
> URL: https://issues.apache.org/jira/browse/SPARK-7857
> Project: Spark
> Issue Type: Bug
> Components: MLlib
> Reporter: Karl Higley
> Priority: Minor
> Labels: bulk-closed
>
> When the IDF model's minDocFreq parameter is set to a non-zero threshold, the
> IDF for any feature below that threshold is set to zero. When the model is
> used to transform a set of SparseVectors containing that feature, the
> resulting SparseVectors contain entries whose values are zero. The zero
> entries should be omitted in order to simplify downstream processing.
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