tests/test_tree.py::test_zero_subbed_weighted_ndarry
/Users/mark/zappi/CHAID/CHAID/stats.py:15: RuntimeWarning:
invalid value encountered in true_divide
/Users/mark/anaconda3/lib/python3.6/site-packages/scipy/stats/stats.py:4544: RuntimeWarning:
invalid value encountered in true_divide
tests/test_tree.py::TestBugFixes::test_incorrect_weighted_counts
/Users/mark/zappi/CHAID/CHAID/stats.py:15: RuntimeWarning:
invalid value encountered in true_divide
tests/test_tree.py::TestStoppingRules::test_min_child_node_size_does_not_stop_for_weighted_case
/Users/mark/zappi/CHAID/CHAID/stats.py:15: RuntimeWarning:
invalid value encountered in true_divide
tests/test_tree.py::TestStoppingRules::test_min_child_node_size_does_stop_for_weighted_case
/Users/mark/zappi/CHAID/CHAID/stats.py:15: RuntimeWarning:
invalid value encountered in true_divide
-- Docs: http://doc.pytest.org/en/latest/warnings.html