GitHub user ChristophAl opened a pull request:
https://github.com/apache/flink/pull/665
[FLINK-1735] Feature Hasher
The prototype of the feature hasher.
- The implementation is based on the scikit-learn feature hasher
- Test vectors have been generated by scikit-learn as well
- Currently the implementation only works on Seq[String]
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ChristophAl/flink FLINK-1735_FeatureHasher
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/665.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 #665
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commit e5ad7e842f443dd4b15fe21f3d1d89c238c882d1
Author: Christoph Alt <christoph....@posteo.de>
Date: 2015-05-06T22:10:24Z
Initial commit Issue #1735
commit 1e9312fdc46b741faea6bdfb26fc4ce359cd1cfa
Author: Christoph Alt <christoph....@posteo.de>
Date: 2015-05-08T13:54:53Z
Added basic testcase for FeatureHasher
commit a0c6ee6251edc4d0e556ba98886a783a072bd27b
Author: Christoph Alt <christoph....@posteo.de>
Date: 2015-05-08T13:58:59Z
FeatureHasher prototype
- Added a prototype of Feature Hasher, currently accepts Seq[String] only
commit c55eb11fa21943dd8451256755bc707a59c3f5d3
Author: Christoph Alt <christoph....@posteo.de>
Date: 2015-05-08T14:09:48Z
Corrected typos
commit 7002ab9e18a6cca5b55d700967accb375538faad
Author: Christoph Alt <christoph....@posteo.de>
Date: 2015-05-09T14:25:42Z
Moved Featurehasher to feature.extraction package
commit 15b868f08806b375fff564f851f668122d363457
Author: Christoph Alt <christoph....@posteo.de>
Date: 2015-05-09T14:31:19Z
Readded FeatureHasher.scala
commit 38e0650ebdec305c4a51e788699da0809a3b1973
Author: Christoph Alt <christoph....@posteo.de>
Date: 2015-05-09T18:36:00Z
Reformated test vectors
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