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Posted to issues@spark.apache.org by "L. C. Hsieh (Jira)" <ji...@apache.org> on 2019/10/29 06:21:00 UTC
[jira] [Assigned] (SPARK-29565) OneHotEncoder should support
single-column input/ouput
[ https://issues.apache.org/jira/browse/SPARK-29565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
L. C. Hsieh reassigned SPARK-29565:
-----------------------------------
Assignee: Huaxin Gao
> OneHotEncoder should support single-column input/ouput
> ------------------------------------------------------
>
> Key: SPARK-29565
> URL: https://issues.apache.org/jira/browse/SPARK-29565
> Project: Spark
> Issue Type: New Feature
> Components: ML, PySpark
> Affects Versions: 3.0.0
> Reporter: zhengruifeng
> Assignee: Huaxin Gao
> Priority: Minor
>
> Current feature algs ({color:#5a6e5a}QuantileDiscretizer/Binarizer/Bucketizer/StringIndexer{color}) are designed to support both single-col & multi-col.
> And there is already some internal utils (like {color:#c7a65d}checkSingleVsMultiColumnParams{color}) for this.
> For OneHotEncoder, it's reasonable to support single-col.
>
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