Ruifeng Zheng created SPARK-45521:
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Summary: Avoid re-computation of nnz in VectorAssembler
Key: SPARK-45521
URL: https://issues.apache.org/jira/browse/SPARK-45521
Project: Spark
Issue Type: Improvement
Components: ML
Affects Versions: 4.0.0
Reporter: Ruifeng Zheng
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