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Haopu Wang commented on SPARK-17498: ------------------------------------ After this fix, the reverse transformation "IndexToString" still complains "Unseen index: 3.0 ??" for the indexes of unseen labels, any idea to fix it? > StringIndexer.setHandleInvalid should have another option 'new' > --------------------------------------------------------------- > > Key: SPARK-17498 > URL: https://issues.apache.org/jira/browse/SPARK-17498 > Project: Spark > Issue Type: Improvement > Components: ML > Reporter: Miroslav Balaz > Assignee: Vincent > Priority: Minor > Fix For: 2.2.0 > > > That will map unseen label to maximum known label +1, IndexToString would map > that back to "<undef>" or NA if there is something like that in spark, -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org