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Diffstat (limited to 'python/pyspark/mllib/tests.py')
| -rw-r--r-- | python/pyspark/mllib/tests.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/python/pyspark/mllib/tests.py b/python/pyspark/mllib/tests.py index 6ed03e3582..97fed7662e 100644 --- a/python/pyspark/mllib/tests.py +++ b/python/pyspark/mllib/tests.py @@ -475,6 +475,18 @@ class ListTests(MLlibTestCase): for c1, c2 in zip(clusters1.weights, clusters2.weights): self.assertEqual(round(c1, 7), round(c2, 7)) + def test_gmm_with_initial_model(self): + from pyspark.mllib.clustering import GaussianMixture + data = self.sc.parallelize([ + (-10, -5), (-9, -4), (10, 5), (9, 4) + ]) + + gmm1 = GaussianMixture.train(data, 2, convergenceTol=0.001, + maxIterations=10, seed=63) + gmm2 = GaussianMixture.train(data, 2, convergenceTol=0.001, + maxIterations=10, seed=63, initialModel=gmm1) + self.assertAlmostEqual((gmm1.weights - gmm2.weights).sum(), 0.0) + def test_classification(self): from pyspark.mllib.classification import LogisticRegressionWithSGD, SVMWithSGD, NaiveBayes from pyspark.mllib.tree import DecisionTree, DecisionTreeModel, RandomForest,\ |