GitHub user holdenk opened a pull request:
https://github.com/apache/spark/pull/8540
[SPARK-9957][ML][WIP] spark ml trees should filter out 1 category features
Spark ML trees should filter out 1-category categorical features. Follow up
from SPARK-9956.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/holdenk/spark
SPARK-9957-spark-ml-trees-should-filter-out-1-category-features
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8540.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 #8540
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commit def90521a01b5b677497d595ba3e1ed1d60da353
Author: Holden Karau <[email protected]>
Date: 2015-08-30T08:49:35Z
Some progress towards not including one category features
commit 446af7a0ccab2e50abc6ce532c08618c5bb28d27
Author: Holden Karau <[email protected]>
Date: 2015-08-31T04:23:55Z
Fix the test compile
commit 93949b381dac4b8a9bbdad25ec3b4699a545ad50
Author: Holden Karau <[email protected]>
Date: 2015-08-31T05:11:37Z
Fix some tests to have the same expected array for active features we would
expect, add some scaladoc to clarify numFeatures now that its a bit trixie
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