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Apache Spark commented on SPARK-3041: ------------------------------------- User 'jkbradley' has created a pull request for this issue: https://github.com/apache/spark/pull/1950 > DecisionTree: isSampleValid indexing incorrect > ---------------------------------------------- > > Key: SPARK-3041 > URL: https://issues.apache.org/jira/browse/SPARK-3041 > Project: Spark > Issue Type: Bug > Components: MLlib > Affects Versions: 1.1.0 > Reporter: Joseph K. Bradley > Assignee: Joseph K. Bradley > > In DecisionTree, isSampleValid treats unordered categorical features > incorrectly: It treated the bins as if indexed by featured values, rather > than by subsets of values/categories. > This bug is exhibited for unordered features (multi-class classification with > categorical features of low arity). > Proposed fix: Index bins correctly for unordered categorical features. -- This message was sent by Atlassian JIRA (v6.2#6252) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org