actuaryzhang commented on a change in pull request #17864: [SPARK-20604][ML]
Allow imputer to handle numeric types
URL: https://github.com/apache/spark/pull/17864#discussion_r309450517
##########
File path: mllib/src/test/scala/org/apache/spark/ml/feature/ImputerSuite.scala
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@@ -176,6 +178,51 @@ class ImputerSuite extends MLTest with
DefaultReadWriteTest {
assert(newInstance.surrogateDF.collect() ===
instance.surrogateDF.collect())
}
+ test("Imputer for Numeric with default missing Value NaN") {
+ val df = spark.createDataFrame(Seq(
+ (0, 1.0, 1.0, 1.0),
Review comment:
Removed now. I was just copying examples from existing tests.
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