GitHub user facaiy opened a pull request:
https://github.com/apache/spark/pull/18736
[SPARK-21481][ML] Add indexOf method for ml.feature.HashingTF
## What changes were proposed in this pull request?
Add indexOf method for ml.feature.HashingTF.
The PR is a hotfix by storing hashingTF.
I believe it is better to migrate native implement from mllib to ml. I can
work on it, but I don't know whether to open an new JIRA for migrating or not.
## How was this patch tested?
+ [x] add a test case.
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/facaiy/spark ENH/add_indexOf_for_ml
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18736.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 #18736
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commit f08861d64390f0eb4d7e34de13d78db67e046457
Author: Yan Facai (é¢åæ) <facai....@gmail.com>
Date: 2017-07-26T05:45:37Z
hotfix: store hashingTF to reuse indexOf
commit 174a2d57ebeccba10b8f1435970cde69f5829c79
Author: Yan Facai (é¢åæ) <facai....@gmail.com>
Date: 2017-07-26T06:14:37Z
TST: add test case
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