Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/5232#discussion_r27534799
--- Diff: python/pyspark/mllib/tests.py ---
@@ -134,6 +134,14 @@ def test_sparse_vector_indexing(self):
for ind in [4, -5, 7.8]:
self.assertRaises(ValueError, sv.__getitem__, ind)
+ def test_matrix_indexing(self):
+ mat = DenseMatrix(3, 2, [0, 1, 4, 6, 8, 10])
+ numcols = mat.numCols
+ for ind, val in enumerate(mat.values):
--- End diff --
I think it should be okay to write down the checks explicitly. Or you can
do this:
~~~python
expected = [[0, 6], [1, 8], [4, 10]]
for i in range(3):
for j in range(2):
self.assertEquals(mat[i, j], xpected[i][j])
~~~
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