zhengruifeng created SPARK-29566:
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Summary: Imputer should support single-column input/ouput
Key: SPARK-29566
URL: https://issues.apache.org/jira/browse/SPARK-29566
Project: Spark
Issue Type: New Feature
Components: ML, PySpark
Affects Versions: 3.0.0
Reporter: zhengruifeng
Imputer should support single-column input/ouput
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