Xu Yang created FLINK-13675:
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Summary: Add class of Vector Slice Mapper
Key: FLINK-13675
URL: https://issues.apache.org/jira/browse/FLINK-13675
Project: Flink
Issue Type: Sub-task
Components: Library / Machine Learning
Reporter: Xu Yang
VectorSlicerMapper maps a vector to a thin vector , which define by input
indices. It is useful for extracting features from a vector column.
* Add VectorSliceMapper for mapping Op.
* Add VectorSliceMapperTest for unit test.
* Add VectorSliceParams for parameters.
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