GitHub user sueann opened a pull request:
https://github.com/apache/spark/pull/17090
[Spark-19535][ML] RecommendForAllUsers RecommendForAllItems for ALS on
Dataframe
## What changes were proposed in this pull request?
This is a simple implementation of RecommendForAllUsers &
RecommendForAllItems for the Dataframe version of ALS. It uses Dataframe
operations (not a wrapper on the RDD implementation). Haven't benchmarked
against a wrapper, but unit test examples do work.
## How was this patch tested?
Unit tests
```
$ build/sbt
> mllib/testOnly *ALSSuite -- -z "recommendFor"
> mllib/testOnly
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sueann/spark SPARK-19535
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17090.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 #17090
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