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Posted to reviews@spark.apache.org by "zhengruifeng (via GitHub)" <gi...@apache.org> on 2023/11/01 07:11:07 UTC
[PR] [SPARK-45757][ML] Avoid re-computation of NNZ in Binarizer [spark]
zhengruifeng opened a new pull request, #43619:
URL: https://github.com/apache/spark/pull/43619
### What changes were proposed in this pull request?
1, compress vectors with given nnz in Binarizer;
2, rename internal function `def compressed(nnz: Int): Vector` to avoid ambiguous reference issue when there is no type hint
```
[error] /Users/ruifeng.zheng/Dev/spark/mllib/src/main/scala/org/apache/spark/ml/feature/Binarizer.scala:132:61: ambiguous reference to overloaded definition,
[error] both method compressed in trait Vector of type (nnz: Int): org.apache.spark.ml.linalg.Vector
[error] and method compressed in trait Vector of type org.apache.spark.ml.linalg.Vector
```
### Why are the changes needed?
`nnz` is known before compression
### Does this PR introduce _any_ user-facing change?
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Re: [PR] [SPARK-45757][ML] Avoid re-computation of NNZ in Binarizer [spark]
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on PR #43619:
URL: https://github.com/apache/spark/pull/43619#issuecomment-1791561507
Merged to master for Apache Spark 4.0.0.
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Re: [PR] [SPARK-45757][ML] Avoid re-computation of NNZ in Binarizer [spark]
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun closed pull request #43619: [SPARK-45757][ML] Avoid re-computation of NNZ in Binarizer
URL: https://github.com/apache/spark/pull/43619
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