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author | Shivaram Venkataraman <shivaram@eecs.berkeley.edu> | 2013-08-06 16:35:47 -0700 |
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committer | Shivaram Venkataraman <shivaram@eecs.berkeley.edu> | 2013-08-06 16:35:47 -0700 |
commit | 6caec3f44193a459a2dd10b0393e391979795039 (patch) | |
tree | 651da54654302504e8dfe9ab765ee857357d26cd /mllib/src/test | |
parent | 471fbadd0c8cb8d310e3e1dd0e694e357ff1233e (diff) | |
download | spark-6caec3f44193a459a2dd10b0393e391979795039.tar.gz spark-6caec3f44193a459a2dd10b0393e391979795039.tar.bz2 spark-6caec3f44193a459a2dd10b0393e391979795039.zip |
Add a test case for random initialization.
Also workaround a bug where double[][] class cast fails
Diffstat (limited to 'mllib/src/test')
-rw-r--r-- | mllib/src/test/scala/spark/mllib/clustering/JavaKMeansSuite.java | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/mllib/src/test/scala/spark/mllib/clustering/JavaKMeansSuite.java b/mllib/src/test/scala/spark/mllib/clustering/JavaKMeansSuite.java index f438a92fad..a3db0c0f6d 100644 --- a/mllib/src/test/scala/spark/mllib/clustering/JavaKMeansSuite.java +++ b/mllib/src/test/scala/spark/mllib/clustering/JavaKMeansSuite.java @@ -86,6 +86,10 @@ public class JavaKMeansSuite implements Serializable { JavaRDD<double[]> data = sc.parallelize(points, 2); KMeansModel model = KMeans.train(data.rdd(), 1, 1); + assertSetsEqual(model.clusterCenters(), expectedCenter); + + model = KMeans.train(data.rdd(), 1, 1, 1, KMeans.RANDOM()); + assertSetsEqual(model.clusterCenters(), expectedCenter); } @Test @@ -100,5 +104,12 @@ public class JavaKMeansSuite implements Serializable { JavaRDD<double[]> data = sc.parallelize(points, 2); KMeansModel model = new KMeans().setK(1).setMaxIterations(5).run(data.rdd()); assertSetsEqual(model.clusterCenters(), expectedCenter); + + model = new KMeans().setK(1) + .setMaxIterations(1) + .setRuns(1) + .setInitializationMode(KMeans.RANDOM()) + .run(data.rdd()); + assertSetsEqual(model.clusterCenters(), expectedCenter); } } |