Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/2604#discussion_r18262076
--- Diff:
examples/src/main/scala/org/apache/spark/examples/mllib/DecisionTreeRunner.scala
---
@@ -170,16 +176,40 @@ object DecisionTreeRunner {
val frac = classCounts(c) / numExamples.toDouble
println(s"$c\t$frac\t${classCounts(c)}")
}
- (examples, numClasses)
+ (examples, classIndexMap, numClasses)
}
case Regression =>
- (origExamples, 0)
+ (origExamples, null, 0)
case _ =>
throw new IllegalArgumentException("Algo ${params.algo} not
supported.")
}
- // Split into training, test.
- val splits = examples.randomSplit(Array(1.0 - params.fracTest,
params.fracTest))
+ // Create training, test sets.
+ val splits = if (params.testInput != "") {
--- End diff --
I agree, it should, but I'd like to wait for another PR if that's OK.
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