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| author | lewuathe <lewuathe@me.com> | 2015-03-20 17:18:18 -0400 |
|---|---|---|
| committer | Xiangrui Meng <meng@databricks.com> | 2015-03-20 17:18:18 -0400 |
| commit | 257cde7c363efb3317bfb5c13975cca9154894e2 (patch) | |
| tree | 420d26c15072875caef30987209539debaf8888f /python/pyspark/mllib/tests.py | |
| parent | 11e025956be3818c00effef0d650734f8feeb436 (diff) | |
| download | spark-257cde7c363efb3317bfb5c13975cca9154894e2.tar.gz spark-257cde7c363efb3317bfb5c13975cca9154894e2.tar.bz2 spark-257cde7c363efb3317bfb5c13975cca9154894e2.zip | |
[SPARK-6421][MLLIB] _regression_train_wrapper does not test initialWeights correctly
Weight parameters must be initialized correctly even when numpy array is passed as initial weights.
Author: lewuathe <lewuathe@me.com>
Closes #5101 from Lewuathe/SPARK-6421 and squashes the following commits:
7795201 [lewuathe] Fix lint-python errors
21d4fe3 [lewuathe] Fix init logic of weights
Diffstat (limited to 'python/pyspark/mllib/tests.py')
| -rw-r--r-- | python/pyspark/mllib/tests.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/python/pyspark/mllib/tests.py b/python/pyspark/mllib/tests.py index 5328d99b69..155019638f 100644 --- a/python/pyspark/mllib/tests.py +++ b/python/pyspark/mllib/tests.py @@ -323,6 +323,13 @@ class ListTests(PySparkTestCase): self.assertTrue(gbt_model.predict(features[2]) <= 0) self.assertTrue(gbt_model.predict(features[3]) > 0) + try: + LinearRegressionWithSGD.train(rdd, initialWeights=array([1.0, 1.0])) + LassoWithSGD.train(rdd, initialWeights=array([1.0, 1.0])) + RidgeRegressionWithSGD.train(rdd, initialWeights=array([1.0, 1.0])) + except ValueError: + self.fail() + class StatTests(PySparkTestCase): # SPARK-4023 |