Wind Pressure Coefficients Zoning Method Based on an Unsupervised Learning Algorithm

Table 6

Mean WPC zoning—the clustering validity indices in full wind direction.

k	CH	C	Gamma	DB	Hartigan	Tau	Scott	Marriot	Friedman	Rubin	KL	Silhouette	Dunn	SD index
2	379.9	0.210	0.944	0.508	364.7	7304.0	732.4	54.4	14.9	15.9	5.844	0.735	0.017	35.6
3	633.2	0.208	0.960	0.507	93.3	8222.7	932.4	57.6	32.7	33.7	0.195	0.701	0.061	16.5
4	601.3	0.209	0.814	0.677	89.9	6255.4	1052.7	65.0	52.1	53.1	1.463	0.523	0.011	19.7
5	626.4	0.177	0.874	0.673	98.6	6124.9	1147.8	71.0	75.0	76.0	3.164	0.545	0.023	19.7
6	708.1	0.160	0.896	0.633	5.7	5448.4	1245.2	70.7	108.8	109.8	0.127	0.556	0.016	19.5
7	601.8	0.133	0.921	0.544	80.1	5160.2	1317.6	73.3	143.3	144.3	72.547	0.583	0.009	24.6
8	684.8	0.118	0.920	0.531	5.5	4445.5	1357.1	82.5	166.5	167.5	0.014	0.580	0.005	32.4
9	610.3	0.117	0.895	0.574	17.6	3704.2	1370.0	99.4	174.9	175.9	1.243	0.534	0.005	50.6
10	579.4	0.108	0.903	0.592	328.6	3402.9	1384.6	116.1	184.8	185.8	0.285	0.539	0.010	52.0
11	1221.5	0.128	0.934	0.566	10.9	3398.0	1568.6	70.2	371.2	372.2	6.320	0.551	0.015	46.8
12	1154.6	0.123	0.920	0.571	5.1	2770.2	1582.6	79.2	391.4	392.4	0.822	0.547	0.008	68.0
13	1075.9	0.121	0.921	0.566	135.1	2740.3	1590.4	90.3	403.0	404.0	0.534	0.544	0.008	70.7
14	1529.8	0.110	0.943	0.557	28.3	2658.8	1687.5	72.6	581.7	582.7	10.250	0.561	0.009	69.7
15	1576.4	0.101	0.951	0.564	13.9	2581.3	1714.6	75.2	644.5	645.5	0.395	0.563	0.008	71.0
16	1548.0	0.100	0.947	0.569	19.0	2399.4	1720.8	83.6	660.0	661.0	1.473	0.553	0.008	104.1