Immovable Cultural Relics Disease Prediction Based on Relevance Vector Machine

Table 3

Score of principal component analysis.

Environmental factors	Principal components
	1	2	3	4	5	6	7	8
Wind speed (m/s)	0.318	−0.205	0.043	−0.275	0.073	0.079	−0.194	−0.030
Temperature	−0.086	0.010	0.153	−0.141	0.120	−0.438	0.092	0.342
Wind direction	−0.213	0.379	0.284	−0.325	0.111	0.502	0.256	0.422
Ultraviolet intensity (μw/cm^2)	0.354	−0.428	−0.127	−0.154	0.207	−0.006	0.670	0.229
Illumination (lx)	−0.178	−0.168	−0.020	0.223	0.886	0.213	−0.184	−0.112
Precipitation intensity (mm/h)	0.096	0.091	0.013	−0.020	−0.016	−0.003	0.048	−0.088
Cumulative illumination	0.451	0.366	0.167	−0.055	0.164	0.028	−0.100	0.017
SO2 (μg/m^3)	0.025	−0.354	0.832	0.374	−0.149	0.089	0.071	−0.047
O3 (μg/m^3)	0.345	−0.182	−0.034	−0.037	−0.114	0.304	−0.546	0.471
NO2 (μg/m^3)	−0.236	0.256	0.034	0.099	−0.057	0.239	0.107	−0.042
Humidity (%)	0.167	0.188	−0.269	0.752	−0.042	0.036	0.154	0.399
Dust (μg/m^3)	0.223	−0.052	−0.169	0.025	−0.169	0.540	0.218	−0.431
Dew point	0.470	0.442	0.225	0.049	0.206	−0.225	0.069	−0.240