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[SPARK-11207][ML] Add test cases for solver selection of LinearRegres… #9180

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[SPARK-11207][ML] Add test cases for solver selection of LinearRegres… #9180

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11cd9c1
[SPARK-11207][ML] Add test cases for solver selection of LinearRegres…
Lewuathe Oct 20, 2015
28427d2
Fix scalastyle
Lewuathe Oct 20, 2015
f85bca6
[SPARK-11207] Improve test case with many feature datasets
Lewuathe Oct 21, 2015
22ba64e
Merge branch 'master' into SPARK-11207
Lewuathe Oct 21, 2015
f6b2256
[SPARK-11207] Remove extra lines
Lewuathe Oct 22, 2015
2082d47
[SPARK-11207] Pass sparcity to generateLinearSparseInput
Lewuathe Oct 24, 2015
003d3bd
[SPARK-11207] Add new API for generateLinearInput
Lewuathe Oct 24, 2015
0a43033
[SPARK-11207] Fix tests
Lewuathe Oct 25, 2015
59383fd
[SPARK-11207] Fix random values used by unit tests
Lewuathe Oct 25, 2015
888b216
Update Fri Oct 30 15:39:05 JST 2015
Lewuathe Oct 30, 2015
c27a4c3
Resolv conflict
Lewuathe Oct 30, 2015
97c76c9
Merge branch 'master' into SPARK-11207
Lewuathe Oct 30, 2015
74de81e
Fix style
Lewuathe Oct 30, 2015
241ec72
Minor fixed
Lewuathe Oct 30, 2015
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[SPARK-11207] Fix tests
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@Lewuathe
Lewuathe committed Oct 25, 2015
commit 0a4303356455f28ca3b87ffd446cb5ef5f25d0e2
2 changes: 1 addition & 1 deletion mllib/src/test/scala/org/apache/spark/ml/regression/LinearRegressionSuite.scala
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Expand Up @@ -68,7 +68,7 @@ class LinearRegressionSuite extends SparkFunSuite with MLlibTestSparkContext {
// as the solver of linear regression in the case of "auto" mode.
val featureSize = 4100
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@mengxr mengxr Oct 20, 2015

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leave a comment about this value 4100

datasetWithManyFeature = sqlContext.createDataFrame(
sc.parallelize(LinearDataGenerator.generateLinearSparseInput(
sc.parallelize(LinearDataGenerator.generateLinearInputInternal(
intercept = 0.0, weights = Seq.fill(featureSize)(r.nextDouble).toArray,
xMean = Seq.fill(featureSize)(r.nextDouble).toArray,
xVariance = Seq.fill(featureSize)(r.nextDouble).toArray, nPoints = 200,
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