The Research of Chronic Gastritis Diagnosis with Electronic Noses

Table 3

The correlation of 10 sensors.

	S1	S2	S3	S4	S5	S6	S7	S8	S9	S10
S1	1	0.85698	0.32548	0.75421	0.26802	0.65751	0.86591	0.54695	0.32157	0.26985
S2	0.85698	1	0.26587	0.41257	0.32685	0.14573	0.86544	0.68472	0.21965	0.32548
S3	0.32548	0.26587	1	0.68663	0.57862	0.6752	0.88522	0.58562	0.87662	0.85632
S4	0.75421	0.41257	0.68663	1	0.85531	0.79953	0.60218	0.86521	0.35851	0.43651
S5	0.21546	0.32685	0.57862	0.85531	1	0.86201	0.6592	0.21546	0.89751	0.77853
S6	0.65751	0.14573	0.6752	0.79953	0.86201	1	0.80359	0.68845	0.25486	0.85631
S7	0.86591	0.86544	0.88522	0.60218	0.6592	0.80359	1	0.88713	0.68626	0.36681
S8	0.54695	0.68472	0.58562	0.86521	0.21546	0.68845	0.88713	1	0.80031	0.8587
S9	0.32157	0.21965	0.87662	0.35851	0.89751	0.25486	0.68626	0.80031	1	0.30354
S10	0.26985	0.32548	0.85632	0.43651	0.77853	0.85631	0.36681	0.8587	0.30354	1