Github user actuaryzhang commented on a diff in the pull request: https://github.com/apache/spark/pull/16729#discussion_r98363560 --- Diff: mllib/src/main/scala/org/apache/spark/ml/r/GeneralizedLinearRegressionWrapper.scala --- @@ -143,7 +150,12 @@ private[r] object GeneralizedLinearRegressionWrapper val rDeviance: Double = summary.deviance val rResidualDegreeOfFreedomNull: Long = summary.residualDegreeOfFreedomNull val rResidualDegreeOfFreedom: Long = summary.residualDegreeOfFreedom - val rAic: Double = summary.aic + val rAic: Double = if (family.toLowerCase == "tweedie" && + !Array(0.0, 1.0, 2.0).contains(variancePower)) { --- End diff -- Thanks for the suggestion. Changed it to comparison instead.
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