[SPARK-13786] Pyspark ml.tuning support export/import

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Component/s: ML, PySpark
• Target Version/s: 2.3.0
• Assignee: Unassigned
• Reporter: Joseph K. Bradley
• Shepherd: Joseph K. Bradley
• Created: 09/Mar/16 22:28
• Updated: 26/Jul/17 01:47
• Resolved: 26/Jul/17 01:47

Description

This should follow whatever implementation is chosen for Pipeline (since these are all meta-algorithms).

Note this will also require persistence for Evaluators. Hopefully that can leverage the Java implementations; there is not a real need to make Python Evaluators be MLWritable, as far as I can tell.

Issue Links

• is blocked by: SPARK-11893 Model export/import for spark.ml: TrainValidationSplit
• is blocked by: SPARK-13951 PySpark ml.pipeline support export/import - nested Piplines
• requires: SPARK-15402 PySpark ml.evaluation should support save/load
• links to: [Github] Pull Request #12020 (yinxusen)
• links to: [Github] Pull Request #12782 (jkbradley)