Xiangrui Meng created SPARK-9698:
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Summary: Add feature interaction as a transformer
Key: SPARK-9698
URL: https://issues.apache.org/jira/browse/SPARK-9698
Project: Spark
Issue Type: New Feature
Components: ML
Reporter: Xiangrui Meng
Assignee: Eric Liang
Add feature interaction as a transformer, which takes a list of vector/double
columns, and generate a single vector column that contains the interactions
(multiplication) among them with proper handling of feature names.
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