[ https://issues.apache.org/jira/browse/SPARK-18570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15810250#comment-15810250 ]
Felix Cheung commented on SPARK-18570: -------------------------------------- Hi - the code is here: https://github.com/apache/spark/blob/master/mllib/src/main/scala/org/apache/spark/ml/feature/RFormula.scala#L74 It would be great if you would start the discussion around what operators to actually support. Thanks! > Consider supporting other R formula operators > --------------------------------------------- > > Key: SPARK-18570 > URL: https://issues.apache.org/jira/browse/SPARK-18570 > Project: Spark > Issue Type: Sub-task > Components: ML, SparkR > Reporter: Felix Cheung > Priority: Minor > > Such as > {code} > ∗ > X∗Y include these variables and the interactions between them > ^ > (X + Z + W)^3 include these variables and all interactions up to three way > | > X | Z conditioning: include x given z > {code} > Other includes, %in%, ` (backtick) > https://stat.ethz.ch/R-manual/R-devel/library/stats/html/formula.html -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org