Github user dbtsai commented on a diff in the pull request:
https://github.com/apache/spark/pull/9180#discussion_r43481002
--- Diff:
mllib/src/test/scala/org/apache/spark/ml/regression/LinearRegressionSuite.scala
---
@@ -49,16 +50,29 @@ class LinearRegressionSuite extends SparkFunSuite with
MLlibTestSparkContext {
*/
override def beforeAll(): Unit = {
super.beforeAll()
- dataset = sqlContext.createDataFrame(
+ datasetWithDenseFeature = sqlContext.createDataFrame(
sc.parallelize(LinearDataGenerator.generateLinearInput(
- 6.3, Array(4.7, 7.2), Array(0.9, -1.3), Array(0.7, 1.2), 10000,
seed, 0.1), 2))
+ intercept = 6.3, weights = Array(4.7, 7.2), xMean = Array(0.9,
-1.3),
+ xVariance = Array(0.7, 1.2), nPoints = 10000, seed = seed, eps =
0.1), 2))
/*
datasetWithoutIntercept is not needed for correctness testing but
is useful for illustrating
training model without intercept
*/
- datasetWithoutIntercept = sqlContext.createDataFrame(
+ datasetWithDenseFeatureWithoutIntercept = sqlContext.createDataFrame(
sc.parallelize(LinearDataGenerator.generateLinearInput(
- 0.0, Array(4.7, 7.2), Array(0.9, -1.3), Array(0.7, 1.2), 10000,
seed, 0.1), 2))
+ intercept = 0.0, weights = Array(4.7, 7.2), xMean = Array(0.9,
-1.3),
+ xVariance = Array(0.7, 1.2), nPoints = 10000, seed = seed, eps =
0.1), 2))
--- End diff --
ditto
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