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Posted to issues@spark.apache.org by "Weichen Xu (JIRA)" <ji...@apache.org> on 2017/09/26 01:11:00 UTC
[jira] [Comment Edited] (SPARK-13030) Change OneHotEncoder to
Estimator
[ https://issues.apache.org/jira/browse/SPARK-13030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16180022#comment-16180022 ]
Weichen Xu edited comment on SPARK-13030 at 9/26/17 1:10 AM:
-------------------------------------------------------------
+1 for creating `OneHotEncoderEstimator`
I can work on this based on some draft code, if no one have taken this. thanks!
was (Author: weichenxu123):
+1 changing name to OneHotEncoderEstimator
I can work on this based on some draft code, if no one have taken this. thanks!
> Change OneHotEncoder to Estimator
> ---------------------------------
>
> Key: SPARK-13030
> URL: https://issues.apache.org/jira/browse/SPARK-13030
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 1.6.0
> Reporter: Wojciech Jurczyk
>
> OneHotEncoder should be an Estimator, just like in scikit-learn (http://scikit-learn.org/stable/modules/generated/sklearn.preprocessing.OneHotEncoder.html).
> In its current form, it is impossible to use when number of categories is different between training dataset and test dataset.
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