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

Table 2

The changes in all manufacturing industries of Guangzhou in 2015～2020.

Number	Gij	Nij	Pij	Dij	PDij
1	−1.78	−0.0031	−0.99	−0.78	−1.78
2	−136.84	0.85	32.75	−170.44	−137.69
3	114.84	1.05	70.96	42.83	113.79
4	−66.01	−0.37	−39.81	−25.83	−65.64
5	5.02	0.05	12.66	−7.69	4.97
6	−79.59	−1.21	−55.61	−22.77	−78.38
7	−193.27	−4.92	−144.59	−43.77	−188.35
8	−162.67	−2.78	−137.02	−22.88	−159.89
9	−2.80	−0.10	−15.05	12.35	−2.70
10	112.63	0.19	12.15	100.29	112.44
11	26.39	0.50	30.34	−4.45	25.89
12	9.05	0.08	8.12	0.85	8.97
13	−173.33	−1.78	−54.43	−117.12	−171.55
14	11.11	2.12	110.81	−101.82	8.99
15	−855.38	−12.78	−237.90	−604.71	−842.60
16	169.64	0.74	61.12	107.78	168.90
17	−0.73	0.0027	2.62	−3.35	−0.73
18	125.00	1.82	44.50	78.68	123.18
19	376.10	1.82	43.11	331.17	374.28
20	−53.08	1.26	65.73	−120.07	−54.34
21	75.38	1.14	43.08	31.16	74.24
22	−33.41	3.40	68.52	−105.32	−36.81
23	100.58	5.83	192.12	−97.37	94.75
24	272.93	3.15	154.10	115.68	269.78
25	1917.91	96.13	1903.64	−81.86	1821.78
26	−10.20	−0.0021	−0.20	−9.99	−10.20
27	−83.56	29.44	264.05	−377.05	−113.00
28	−284.50	236.26	718.51	−1239.28	−520.76
29	158.06	0.23	33.25	124.57	157.83
30	6.01	0.02	10.49	−4.50	5.99
31	−4.01	−0.04	−4.20	0.23	−3.97
32	29.81	0.03	23.36	6.42	29.78
33	227.06	5.86	107.42	113.78	221.20
34	271.65	1.21	188.36	82.09	270.44
35	17.40	0.16	48.66	−31.42	17.24

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.