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SPARK-1310: Start adding k-fold cross validation to MLLib [adds kFold to MLUtils & fixes bug in BernoulliSampler] #18

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holdenk wants to merge 22 commits into from
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SPARK-1310: Start adding k-fold cross validation to MLLib [adds kFold to MLUtils & fixes bug in BernoulliSampler] #18

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a751ec6
Add k-fold cross validation to MLLib
holdenk Feb 5, 2014
08f8e4d
Fix BernoulliSampler to respect complement
holdenk Feb 11, 2014
c0b7fa4
Switch FoldedRDD to use BernoulliSampler and PartitionwiseSampledRDD
holdenk Feb 11, 2014
dd0b737
Wrap long lines (oops)
holdenk Feb 11, 2014
264502a
Add a test for the bug that was found with BernoulliSampler not copyi…
holdenk Feb 11, 2014
91eae64
Consolidate things in mlutils
holdenk Feb 12, 2014
b78804e
Remove cross validation [TODO in another pull request]
holdenk Feb 12, 2014
e8741a7
CR feedback
holdenk Feb 17, 2014
5a33f1d
Code review follow up.
holdenk Feb 24, 2014
163c5b1
code review feedback 1.to -> 1 to and folds -> numFolds
holdenk Mar 4, 2014
bb5fa56
extra line sadness
holdenk Apr 9, 2014
7ebe4d5
CR feedback, remove unecessary learners (came back during merge mista…
holdenk Apr 9, 2014
c5b723f
clean up
holdenk Apr 9, 2014
e187e35
Move { up to same line as whenExecuting(random) in RandomSamplerSuite…
holdenk Apr 9, 2014
c702a96
Fix imports in MLUtils
holdenk Apr 9, 2014
2cb90b3
Fix the names in kFold
holdenk Apr 9, 2014
150889c
Fix up error messages in the MLUtilsSuite
holdenk Apr 9, 2014
90896c7
New line
holdenk Apr 9, 2014
7157ae9
CR feedback
holdenk Apr 10, 2014
6ddbf05
swap training and validation order
holdenk Apr 10, 2014
e84f2fc
Fix the test, we should be looking at the second element instead
holdenk Apr 10, 2014
208db9b
Fix a bad space
holdenk Apr 15, 2014
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Fix BernoulliSampler to respect complement
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@holdenk
holdenk committed Apr 9, 2014
commit 08f8e4d930e1d9f68f06783dd87f9076bb6fb1a7
2 changes: 1 addition & 1 deletion core/src/main/scala/org/apache/spark/util/random/RandomSampler.scala
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Expand Up @@ -63,7 +63,7 @@ class BernoulliSampler[T](lb: Double, ub: Double, complement: Boolean = false)
}
}

override def clone = new BernoulliSampler[T](lb, ub)
override def clone = new BernoulliSampler[T](lb, ub, complement)
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@mengxr mengxr Apr 10, 2014

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Add return type.

}

/**
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