chris snow created SPARK-20011:
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Summary: 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: Minor
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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