Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/3118#discussion_r19986243
--- Diff:
mllib/src/test/scala/org/apache/spark/mllib/evaluation/BinaryClassificationMetricsSuite.scala
---
@@ -59,4 +59,60 @@ class BinaryClassificationMetricsSuite extends FunSuite
with LocalSparkContext {
assert(metrics.precisionByThreshold().collect().zip(threshold.zip(precision)).forall(cond2))
assert(metrics.recallByThreshold().collect().zip(threshold.zip(recall)).forall(cond2))
}
+
+ test("binary evaluation metrics for All Positive RDD") {
+ val scoreAndLabels = sc.parallelize(Seq((0.5, 1.0)), 2)
--- End diff --
It's odd to have 1 datum in a 2-partition RDD. Maybe do 2 tuples? (Same
for other test.)
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