GitHub user feynmanliang opened a pull request:

    https://github.com/apache/spark/pull/7138

    [SPARK-8471][ML]Rename DiscreteCosineTransformer to DCT

    Rename DiscreteCosineTransformer and related classes to DCT.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/feynmanliang/spark dct-features

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/7138.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #7138
    
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commit 95d4939900f327ecf51dabdb18a3c5852bc4999a
Author: Feynman Liang <[email protected]>
Date:   2015-06-19T02:41:50Z

    Working DCT for 1D Doubles

commit 195d7aa9380195979bcb8d9df4f05bb2a41aed68
Author: Feynman Liang <[email protected]>
Date:   2015-06-20T03:59:54Z

    Implement support for arbitrary numeric types

commit 530983ab569e479dd0a4dd746b6520380496c80d
Author: Feynman Liang <[email protected]>
Date:   2015-06-22T17:31:28Z

    Tests for other numeric datatypes

commit b5ac19cf23f0f47697e4bb4cd8075e13cb07361d
Author: Feynman Liang <[email protected]>
Date:   2015-06-24T18:17:53Z

    Use Vector types, add Java test

commit 91e9636d26ea4fcbfc802cdcb8a2740a829a5c7f
Author: Feynman Liang <[email protected]>
Date:   2015-06-24T23:17:48Z

    Style guide and test helper refactor

commit 433dbc72943ea64fe295c8dfc0a343bbbf815696
Author: Feynman Liang <[email protected]>
Date:   2015-06-30T18:03:37Z

    Test refactoring

commit 894d0b2154751836f03ec1354cd727787b0e4762
Author: Feynman Liang <[email protected]>
Date:   2015-06-30T22:27:46Z

    Rename DiscreteCosineTransformer to DCT

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