def METHOD_NAME(self):
    """matrix_IQR calcs the IQR for each column in an array correctly
    """
    x = array([[1,2,3],[4,5,6],[7,8,9], [10,11,12]])
    min_vals, max_vals = matrix_IQR(x)
    assert_almost_equal(min_vals, array([2.5,3.5,4.5]))
    assert_almost_equal(max_vals, array([8.5,9.5,10.5]))