Empirical Analysis and Suggestions on the Selection of City Leading Industries based on SSM Algorithm

Table 1

The variation (rate) in all manufacturing industries of Guangzhou in 2015～2020.

Number	bij, 0	bij, t	Bj, 0	Bj, t	rij	Rj	b´ij
1	2.24	0.46	385.54	213.76	−0.79	−0.45	0.01
2	465.67	328.83	3130.38	3356.27	−0.29	0.07	11.77
3	474.35	589.19	1805.54	2079.62	0.24	0.15	6.91
4	300.93	234.92	1146.1	993.06	−0.22	−0.13	2.78
5	217.63	222.65	460.9	487.82	0.02	0.06	0.81
6	266.91	187.32	2639.51	2077.61	−0.30	−0.21	5.69
7	422.79	229.52	4073.91	2633.34	−0.46	−0.35	13.90
8	289.31	126.64	2460.87	1271.79	−0.56	−0.48	5.75
9	32.09	29.29	841.51	444.2	−0.09	−0.47	0.22
10	177.33	289.96	1873.33	2003.68	0.64	0.07	2.68
11	132.11	158.5	2013.29	2483.28	0.20	0.23	2.15
12	99.38	108.43	1218.89	1319.52	0.09	0.08	0.98
13	320.8	147.47	3934.3	3244.91	−0.54	−0.18	10.19
14	504.07	515.18	2331.04	2853.29	0.02	0.22	9.48
15	2069.81	1214.43	6315.93	5551.01	−0.41	−0.12	105.51
16	244.73	414.37	1484.49	1859.72	0.69	0.25	2.93
17	6.61	5.88	128.15	178.97	−0.11	0.40	0.01
18	388.5	513.5	4860.96	5440.54	0.32	0.12	15.24
19	178.61	554.71	5007.36	6266.94	2.11	0.25	7.22
20	361.15	308.07	2332.54	2765.22	−0.15	0.19	6.80
21	415.95	491.33	3181.13	3519.29	0.18	0.11	10.68
22	376.3	342.89	5855.38	6974.39	−0.09	0.19	17.78
23	653.66	754.24	3646.22	4750.4	0.15	0.30	19.24
24	200.4	473.33	2479.64	4425.33	1.36	0.78	4.01
25	3930.79	5848.7	5955.96	8986.03	0.49	0.51	188.96
26	435.47	425.27	1241.12	1240.53	−0.02	0.00	4.36
27	1080.89	997.33	12428.41	15803.07	−0.08	0.27	108.43
28	2407.42	2122.92	30658.71	42817.87	−0.12	0.40	595.72
29	64.97	223.03	866.87	1313.68	2.43	0.52	0.45
30	18.54	24.55	253.44	397.1	0.32	0.57	0.04
31	28.39	24.38	1151.96	980.08	−0.14	−0.15	0.26
32	56.37	86.18	133.86	189.4	0.53	0.41	0.06
33	1395.47	1622.53	6405.36	6925.33	0.16	0.08	72.14
34	317.22	588.87	789.54	1261.35	0.86	0.60	2.02
35	87.88	105.28	405.29	630.42	0.20	0.56	0.29

The number corresponds to the industry sector: 1, mining and dressing of nonmetal ores; 2, processing of farm and sideline food; 3, manufacture of food; 4, manufacture of wine, beverage, and refined tea; 5, tobacco products; 6, textile industry; 7, manufacture of textile garments, footwear, and headgear; 8, Leather, fur, feather, down, and related products; 9, timber processing, bamboo, cane, palm fiber, and straw products; 10, manufacture of furniture; 11, papermaking and paper products; 12, printing and record medium reproduction; 13, manufacture of cultural, educational, sports, and entertainment articles; 14, petroleum refining, coking, and nuclear fuel processing; 15, manufacture of raw chemical materials and chemical products; 16, manufacture of medicines; 17, manufacture of chemical fibers; 18, rubber and plastic products; 19, nonmetal mineral products; 20, smelting and pressing of ferrous metals; 21, smelting and pressing of nonferrous metals; 22, metal products; 23, manufacture of general-purpose machinery; 24, manufacture of special-purpose machinery; 25, manufacture of automobile; 26, manufacture of railway, ship, aeronautics, and other transport equipment; 27, manufacture of electrical machinery and equipment; 28, manufacture of communication equipment, computers, and other electronic equipment; 29, manufacture of instruments and meters; 30, other manufactures (crafts); 31, comprehensive utilization of waste; 32, manufacture of metal products, machinery, and equipment maintenance; 33, production and supply of electric power and heat power; 34, production and supply of gas; and 35, production and supply of water.