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Hyukjin Kwon resolved SPARK-21406. ---------------------------------- Resolution: Incomplete > Add logLikelihood to GLR families > --------------------------------- > > Key: SPARK-21406 > URL: https://issues.apache.org/jira/browse/SPARK-21406 > Project: Spark > Issue Type: Sub-task > Components: ML > Affects Versions: 2.3.0 > Reporter: Seth Hendrickson > Priority: Minor > Labels: bulk-closed > > To be able to implement the typical gradient based aggregator for GLR, we'd > need to add a {{logLikelihood(y: Double, mu: Double, weight: Double)}} method > to GLR {{Family}} class. > One possible hiccup - Tweedie family log likelihood is not computationally > feasible [link| > http://support.sas.com/documentation/cdl/en/stathpug/67524/HTML/default/viewer.htm#stathpug_hpgenselect_details16.htm]. > H2O gets around this by using the deviance instead. We could leave it > unimplemented initially. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org