def test_value_counts(self):
from pandas.tools.tile import cut
arr = np.random.randn(4)
factor = cut(arr, 4)
self.assert_(isinstance(factor, Categorical))
result = value_counts(factor)
expected = value_counts(np.asarray(factor))
tm.assert_series_equal(result, expected)
def test_value_counts(self):
from pandas.tools.tile import cut
arr = np.random.randn(4)
factor = cut(arr, 4)
self.assert_(isinstance(factor, Factor))
result = value_counts(factor)
expected = value_counts(np.asarray(factor))
tm.assert_series_equal(result, expected)