#NEWLINE# def test_crosstab_no_overlap( self ) : #NEWLINE# #INDENT# s1 = pd . Series ( [ 1 , 2 , 3 ] , index = [ 1 , 2 , 3 ] ) #NEWLINE# s2 = pd . Series ( [ 4 , 5 , 6 ] , index = [ 4 , 5 , 6 ] ) #NEWLINE# actual = crosstab ( s1 , s2 ) #NEWLINE# expected = pd . DataFrame ( ) #NEWLINE# tm . assert_frame_equal ( actual , expected )