zhengruifeng commented on issue #26972: [SPARK-30321][Ml] Log weightSum in Algo that has weights support URL: https://github.com/apache/spark/pull/26972#issuecomment-568610797 I notice that other statistics for tree models are logged in `RandomForest.run`: ```scala instr match { case Some(instrumentation) => instrumentation.logNumFeatures(metadata.numFeatures) instrumentation.logNumClasses(metadata.numClasses) instrumentation.logNumExamples(metadata.numExamples) case None => logInfo("numFeatures: " + metadata.numFeatures) logInfo("numClasses: " + metadata.numClasses) logInfo("numExamples: " + metadata.numExamples) } ``` Can we just log `weightSum` here?
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