The Research of Chronic Gastritis Diagnosis with Electronic Noses

Table 2

Variance of each component by PCA.

Number	Characteristic value	Contribution (%)	Total contribution (%)
1	9.32157	83.636	83.636
2	1.12992	10.138	93.774
3	0.35453	3.181	96.955
4	0.16974	1.523	98.478
5	0.10621	0.953	99.431
6	0.05929	0.532	99.963
7	0.00278	0.025	99.988
8	0.00066	0.006	99.994
9	0.00044	0.004	99.998
10	0.00022	0.002	100