GitHub user ericl opened a pull request:
https://github.com/apache/spark/pull/7987
[SPARK-9681] [ML] Support R feature interactions in RFormula
This adds support for the interaction (":") operator to the RFormula
feature transformer.
Design doc from umbrella task:
https://docs.google.com/document/d/10NZNSEurN2EdWM31uFYsgayIPfCFHiuIu3pCWrUmP_c/edit
@mengxr
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ericl/spark interaction
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/7987.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 #7987
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commit 429cb520682dcd446f01e204f178b5c0c932e6cf
Author: Eric Liang <[email protected]>
Date: 2015-08-04T01:32:54Z
first pass
commit 0ece16cd2e30403f4fa8c5473e6cb6e7930ae52f
Author: Eric Liang <[email protected]>
Date: 2015-08-04T03:29:16Z
compiles now
commit ab2a3477512aba52f69f3ccd0bfe620b2da0cb39
Author: Eric Liang <[email protected]>
Date: 2015-08-05T01:14:31Z
combiner
commit a3623aa6cbb2e248b45b489cfb216c9d87bc7c86
Author: Eric Liang <[email protected]>
Date: 2015-08-05T03:32:39Z
attribute generation
commit a12e58e58e7a9c44611124d21c6172cb0a4c6b53
Author: Eric Liang <[email protected]>
Date: 2015-08-05T22:58:14Z
Wed Aug 5 15:58:14 PDT 2015
commit dc8801a31cd7806ccd1e4ef902568e1d9bc85e94
Author: Eric Liang <[email protected]>
Date: 2015-08-06T02:59:50Z
Wed Aug 5 19:59:50 PDT 2015
commit 2957cb686264303344c02b96e5ce166a7a66a959
Author: Eric Liang <[email protected]>
Date: 2015-08-06T05:19:28Z
fix parser
commit 11bb70fcdd32f390a513fa39a8d8096a60e3d22e
Author: Eric Liang <[email protected]>
Date: 2015-08-06T05:20:26Z
Merge branch 'master' into interaction
commit 478ee8f2e1133901746e68cc202ecfc89de8eaa9
Author: Eric Liang <[email protected]>
Date: 2015-08-06T05:57:10Z
add rformula test
commit 3ad5464566076570438001714582082b11981479
Author: Eric Liang <[email protected]>
Date: 2015-08-06T06:08:34Z
docs
commit 5f7cb9b505e043039898df9860b999d5382c4ae0
Author: Eric Liang <[email protected]>
Date: 2015-08-06T06:15:14Z
Wed Aug 5 23:15:14 PDT 2015
commit e44dd8397440f0e997a5384dc79220ac4ff2ba34
Author: Eric Liang <[email protected]>
Date: 2015-08-06T06:45:35Z
small nits
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