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https://issues.apache.org/jira/browse/SPARK-5726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14319163#comment-14319163
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Xiangrui Meng commented on SPARK-5726:
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This is a nice feature. I like the name `HadamardProduct` better than
`HadamardScaler`. The former is more explicit though it always reminds me the
Hadamard transform. Could you submit a PR?
> Hadamard Vector Product Transformer
> -----------------------------------
>
> Key: SPARK-5726
> URL: https://issues.apache.org/jira/browse/SPARK-5726
> Project: Spark
> Issue Type: Improvement
> Components: ML, MLlib
> Reporter: Octavian Geagla
>
> I originally posted my idea here:
> http://apache-spark-developers-list.1001551.n3.nabble.com/Any-interest-in-weighting-VectorTransformer-which-does-component-wise-scaling-td10265.html
> A draft of this feature is implemented, documented, and tested already. Code
> is on a branch on my fork here:
> https://github.com/ogeagla/spark/compare/spark-mllib-weighting
> I'm curious if there is any interest in this feature, in which case I'd
> appreciate some feedback. One thing that might be useful is an example/test
> case using the transformer within the ML pipeline, since there are not any
> examples which use Vectors.
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