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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/09/14 05:55:39 UTC
[GitHub] [spark] zhengruifeng opened a new pull request, #37874: [SPARK-40421][PS] Make `spearman` correlation in `DataFrame.corr` support missing values and `min_periods`
zhengruifeng opened a new pull request, #37874:
URL: https://github.com/apache/spark/pull/37874
### What changes were proposed in this pull request?
refactor `spearman` correlation in `DataFrame.corr` to:
1. support missing values;
2. add parameter min_periods;
3. enable arrow execution since no longer depend on VectorUDT;
4. support lazy evaluation;
### Why are the changes needed?
to make its behavior same as Pandas
### Does this PR introduce _any_ user-facing change?
yes, API change, new parameter supported
### How was this patch tested?
added UT
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[GitHub] [spark] zhengruifeng closed pull request #37874: [SPARK-40421][PS] Make `spearman` correlation in `DataFrame.corr` support missing values and `min_periods`
Posted by GitBox <gi...@apache.org>.
zhengruifeng closed pull request #37874: [SPARK-40421][PS] Make `spearman` correlation in `DataFrame.corr` support missing values and `min_periods`
URL: https://github.com/apache/spark/pull/37874
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[GitHub] [spark] zhengruifeng commented on pull request #37874: [SPARK-40421][PS] Make `spearman` correlation in `DataFrame.corr` support missing values and `min_periods`
Posted by GitBox <gi...@apache.org>.
zhengruifeng commented on PR #37874:
URL: https://github.com/apache/spark/pull/37874#issuecomment-1247477326
Merged into master, thanks @HyukjinKwon
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