GitHub user MLnick opened a pull request:
https://github.com/apache/spark/pull/17102
[SPARK-19345][ML][DOC] Add doc for "coldStartStrategy" usage in ALS
[SPARK-14489](https://issues.apache.org/jira/browse/SPARK-14489) added the
ability to skip `NaN` predictions during `ALSModel.transform`. This PR adds
documentation for the `coldStartStrategy` param to the ALS user guide, and add
code to the examples to illustrate usage.
## How was this patch tested?
Doc and example change only. Build HTML doc locally and verified example
code builds, and runs in shell for Scala/Python.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/MLnick/spark SPARK-19345-coldstart-doc
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17102.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 #17102
----
commit baba319fae615ffc1ebfe564f9ac520e701fdf20
Author: Nick Pentreath <[email protected]>
Date: 2017-02-28T14:34:40Z
Initial cold start param doc for user guide
commit db919d59b93ea6f9b8b423ea11d3d9c99ce43454
Author: Nick Pentreath <[email protected]>
Date: 2017-02-28T14:34:47Z
Merge remote-tracking branch 'apache-github/master' into
SPARK-19345-coldstart-doc
commit cd923e2791692d9dd81d7186033a1bfe22aab80d
Author: Nick Pentreath <[email protected]>
Date: 2017-02-28T14:47:03Z
Update examples
commit 4c2c78c82101a2aec8f7f0634781869e1b4d0184
Author: Nick Pentreath <[email protected]>
Date: 2017-02-28T14:57:28Z
Clean ip doc and add note about future strategies
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