Github user MechCoder commented on a diff in the pull request:
https://github.com/apache/spark/pull/7538#discussion_r34998365
--- Diff:
mllib/src/test/scala/org/apache/spark/ml/classification/LogisticRegressionSuite.scala
---
@@ -701,4 +701,19 @@ class LogisticRegressionSuite extends SparkFunSuite
with MLlibTestSparkContext {
assert(model1.intercept ~== interceptR relTol 1E-5)
assert(model1.weights ~= weightsR absTol 1E-6)
}
+
+ test("evaluate on test set") {
+
+ // Evaluate on test set should be same as that of the transformed
training data.
+ val lr = new LogisticRegression()
+ .setMaxIter(10)
+ .setRegParam(1.0)
+ .setThreshold(0.6)
+ val model = lr.fit(dataset)
+ val summary = model.summary
+
+ val sameSummary = model.evaluate(dataset)
+ assert(summary.areaUnderROC === sameSummary.areaUnderROC)
+
--- End diff --
TODO: Add more tests, after the first pass has been done.
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