Kai Sasaki created SPARK-11439:
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Summary: Optiomization of creating sparse feature without dense one
Key: SPARK-11439
URL: https://issues.apache.org/jira/browse/SPARK-11439
Project: Spark
Issue Type: Improvement
Components: ML
Reporter: Kai Sasaki
Priority: Minor
Currently, sparse feature generated in {{LinearDataGenerator}} needs to create
dense vectors once. It is cost efficient to prevent generating sparse feature
without generating dense vectors.
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