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https://issues.apache.org/jira/browse/SPARK-6577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14423720#comment-14423720
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Xiangrui Meng commented on SPARK-6577:
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We don't require scipy in MLlib. But if scipy is detected, we should recognize
scipy sparse matrices (see _convert_to_vector) and provide functions to convert
MLlib's SparseMatrix to scipy matrix instead of numpy ndarray. [~MechCoder]
Please also take a note on the transpose flag, which may not be available in
numpy/scipy.
> SparseMatrix should be supported in PySpark
> -------------------------------------------
>
> Key: SPARK-6577
> URL: https://issues.apache.org/jira/browse/SPARK-6577
> Project: Spark
> Issue Type: New Feature
> Components: MLlib, PySpark
> Reporter: Manoj Kumar
> Assignee: Manoj Kumar
>
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