Maciej Szymkiewicz created SPARK-20729:
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Summary: Reduce boilerplate in Spark ML models
Key: SPARK-20729
URL: https://issues.apache.org/jira/browse/SPARK-20729
Project: Spark
Issue Type: Improvement
Components: ML, SparkR
Affects Versions: 2.2.0
Reporter: Maciej Szymkiewicz
Currently we implement both {{predict}} and {{write.ml}} for ML wrappers,
although R code is virtually identical and all the model specific logic is
handled by Scala wrappers.
Since we use S4 classes we can extract these functionalities into separate
traits.
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