Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/216#discussion_r10898309
--- Diff:
mllib/src/test/scala/org/apache/spark/mllib/discretization/EMDDiscretizerSuite.scala
---
@@ -0,0 +1,60 @@
+package org.apache.spark.mllib.discretization
+
+import org.scalatest.FunSuite
+import org.apache.spark.mllib.util.LocalSparkContext
+import org.apache.spark.rdd.RDD
+import org.apache.spark.SparkContext._
+import org.apache.spark.mllib.regression.LabeledPoint
+import scala.util.Random
+import org.apache.spark.mllib.util.InfoTheory
+
+object EMDDiscretizerSuite {
+ val nFeatures = 5
+ val nDatapoints = 50
+ val nLabels = 3
+ val nPartitions = 3
+
+ def generateLabeledData : Array[LabeledPoint] =
+ {
+
+ val rnd = new Random(42)
+ val labels = Array.fill[Double](nLabels)(rnd.nextDouble)
+
+ Array.fill[LabeledPoint](nDatapoints) {
+ LabeledPoint(labels(rnd.nextInt(nLabels)),
+ Array.fill[Double](nFeatures)(rnd.nextDouble))
+ }
+ }
+}
+
+class EMDDiscretizerSuite extends FunSuite with LocalSparkContext {
+
+ test("EMD discretization") {
+ val rnd = new Random()
--- End diff --
Use a fixed seed to make the test deterministic.
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