Nick Pentreath created SPARK-15502:
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Summary: Add note in ML ALS docs that user / item column only
supports Int
Key: SPARK-15502
URL: https://issues.apache.org/jira/browse/SPARK-15502
Project: Spark
Issue Type: Documentation
Components: Documentation, ML, PySpark
Reporter: Nick Pentreath
Priority: Minor
Currently, ALS only supports {{Integer}} user/item ids. SPARK-14891 added
actual validation for this, but does allow any numeric type for these columns
so long as the ids are within {{Integer}} value range. Add a note to the user
guide to this effect.
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