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Posted to issues@spark.apache.org by "Bryan Cutler (JIRA)" <ji...@apache.org> on 2018/04/02 16:40:04 UTC
[jira] [Commented] (SPARK-23828) PySpark StringIndexerModel should
have constructor from labels
[ https://issues.apache.org/jira/browse/SPARK-23828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16422729#comment-16422729 ]
Bryan Cutler commented on SPARK-23828:
--------------------------------------
No I'm not working on it, please go ahead [~huaxingao], thanks!
> PySpark StringIndexerModel should have constructor from labels
> --------------------------------------------------------------
>
> Key: SPARK-23828
> URL: https://issues.apache.org/jira/browse/SPARK-23828
> Project: Spark
> Issue Type: Improvement
> Components: ML, PySpark
> Affects Versions: 2.3.0
> Reporter: Bryan Cutler
> Priority: Minor
>
> The Scala StringIndexerModel has an alternate constructor that will create the model from an array of label strings. This should be in the Python API also, maybe as a classmethod
> {code:java}
> model = StringIndexerModel.from_labels(['a', 'b']){code}
> See SPARK-15009 which added a similar constructor to CountVectorizerModel
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