Attribute Reduction Based on Consistent Covering Rough Set and Its Application

Table 5

Logging data.

No.	GR	DT	SP	WQ	LLD	LLS	DEN	NPHI	PE	U	TH	K	CALI	D
1	63.362	209.389		60.92	62.405	57.044	2.691	16.237	3.37	1.233	6.859	1.349	24.358	0
2	73.283	206.856		106.986	48.157	45.815	2.663	12.105	3.562	2.678	4.607	1.894	24.322	0
3	77.512	210.22		39.98	39.923	38.771	2.63	10.003	2.667	0.691	3.933	1.942	24.257	0
4	63.234	213.583		43.676	38.349	37.276	3.641	11.285	2.732	1.275	5.906	1.717	24.312	0
5	66.788	211.721		46.151	42.694	40.441	2.629	11.715	2.781	1.138	5.319	1.708	24.355	0
61	54.793	222.773		31.408	43.163	36.693	2.533	7.007	1.893	0.902	3.43	1.238	24.254	0
62	47.722	222.53		57.011	47.901	41.626	2.532	6.466	1.763	0.987	1.742	1.435	24.291	1
63	31.311	221.165		70.879	57.312	47.148	2.521	5.447	2.081	0.842	1.227	1.004	24.254	1
64	39.088	212.365		196.409	75.751	65.579	2.562	6.602	2.16	0.508	2.204	0.867	24.26	1
65	74.959	221.004		45.069	33.361	31.123	2.618	11.147	2.528	1.55	7.019	1.728	24.24	0
151	69.009	221.921		33.201	34.429	30.911	2.586	12.751	2.523	1.628	8.349	1.904	24.352	1
152	46.494	226.873		32.213	36.114	31.939	2.546	10.368	2.345	2.215	6.114	1.046	24.399	1
153	50.546	228.546		45.837	39.122	33.695	2.533	9.242	2.285	1.842	4.077	0.832	24.32	1
154	52.725	232.334		40.916	44.262	36.261	2.509	7.909	2.218	1.624	4.238	1.156	24.298	1
155	45.29	238.317		60.731	50.187	39.995	2.466	7.242	2.113	1.857	1.848	0.864	24.389	1
196	146.387	238.736		36.032	32.811	30.017	2.613	40.85	3.745	5.371	17.927	2.399	24.293	0
197	141.499	243.434		15.669	31.371	27.584	2.573	43.18	2.511	4.725	22.255	2.371	24.291	0
198	131.245	232.916		43.736	41.085	35.179	2.666	40.857	2.711	2.769	17.662	3.142	24.192	0
199	149.161	238.786		46.739	42.172	35.286	2.635	41.694	3.121	3.884	16.046	3.272	24.367	0
200	135.228	235.772		37.182	52.036	42.043	2.652	40.582	3.286	2.619	18.602	2.9	24.552	0