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Posted to issues@spark.apache.org by "Bryan Cutler (JIRA)" <ji...@apache.org> on 2018/04/06 18:56:00 UTC
[jira] [Resolved] (SPARK-23828) PySpark StringIndexerModel should
have constructor from labels
[ https://issues.apache.org/jira/browse/SPARK-23828?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bryan Cutler resolved SPARK-23828.
----------------------------------
Resolution: Fixed
Fix Version/s: 2.4.0
Issue resolved by pull request 20968
[https://github.com/apache/spark/pull/20968]
> 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
> Fix For: 2.4.0
>
>
> 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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