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[SPARK-14272][ML] Add Loglikelihood in GaussianMixtureSummary #12064

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[SPARK-14272][ML] Add Loglikelihood in GaussianMixtureSummary #12064

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c596b39
recreate pr
zhengruifeng Oct 11, 2016
6973301
update pr
zhengruifeng Oct 11, 2016
9e316b9
update tol
zhengruifeng Oct 12, 2016
05f60b9
add implicits
zhengruifeng Oct 12, 2016
45bb563
fix isotonic
zhengruifeng Dec 8, 2016
c992a1a
fix conflict and update version
zhengruifeng Jan 10, 2017
2bbdf5b
fix a bug in test
zhengruifeng Jan 10, 2017
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fix test
zhengruifeng Jan 10, 2017
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update test
zhengruifeng Jan 12, 2017
8d8bb24
update tol
zhengruifeng Jan 12, 2017
fe2c424
add llk in summary
zhengruifeng Jan 16, 2017
68f72fa
add mima exclueds
zhengruifeng Jan 16, 2017
d333642
fix mima
zhengruifeng Jan 16, 2017
1de60b0
Merge branch 'master' into gmm_metric
zhengruifeng Jan 17, 2017
d6fa8fa
add test
zhengruifeng Jan 17, 2017
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add output of summary
zhengruifeng Jan 18, 2017
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update doc test
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update doc test
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update mima
zhengruifeng Jan 19, 2017
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zhengruifeng Jan 19, 2017
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update tol
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@zhengruifeng
zhengruifeng committed Jan 16, 2017
commit 9e316b9bd88be30d75e2628134d29784feb8c502
2 changes: 0 additions & 2 deletions mllib/src/main/scala/org/apache/spark/ml/clustering/GaussianMixture.scala
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Expand Up @@ -138,8 +138,6 @@ class GaussianMixtureModel private[ml] (

val spark = dataset.sparkSession

import spark.implicits._

val bcWeightAndDists =
spark.sparkContext.broadcast(weights.zip(gaussians))

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2 changes: 1 addition & 1 deletion mllib/src/test/scala/org/apache/spark/ml/clustering/GaussianMixtureSuite.scala
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Expand Up @@ -160,7 +160,7 @@ class GaussianMixtureSuite extends SparkFunSuite with MLlibTestSparkContext
val model = new GaussianMixtureModel("gmm", Array(0.2, 0.8), Array(gaussian1, gaussian2))

val llk = model.computeLogLikelihood(dataset)
assert(llk ~== -52.804472030823533 relTol 1E-4)
assert(llk ~== -52.804472030823533 relTol 1E-6)
/*
Using the following Python code to compute the log-likelihood:

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