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https://issues.apache.org/jira/browse/SPARK-20011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15931132#comment-15931132
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chris snow commented on SPARK-20011:
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Ok, thanks. Can you please assign to me?
> inconsistent terminology in als api docs and tutorial
> -----------------------------------------------------
>
> Key: SPARK-20011
> URL: https://issues.apache.org/jira/browse/SPARK-20011
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 2.1.0
> Reporter: chris snow
> Priority: Trivial
>
> https://spark.apache.org/docs/latest/mllib-collaborative-filtering.html :
> bq. rank is the number of latent factors in the model.
> https://spark.apache.org/docs/latest/api/scala/index.html#org.apache.spark.mllib.recommendation.ALS$
> :
> bq. rank - number of features to use
> As a noob to ALS, I found this confusing. Maybe the api docs could state:
> bq. rank - number of features to use (also referred to as the number of
> latent factors)
> I'm happy to send in a PR.
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