代码实现：data_test_2={'gd':[1,1,1,1,1,1,0,0,0,0,0,0,0],'score':[1,2,0,2,2,7,4,5,4,0,4,18,np.nan]}data_test_2=pd.DataFrame(data_test_2)defks_calc_cross(data,var_col,...