Multivariate Prediction Model of Strength and Acoustic Emission Energy considering Parameter Correlation of Coal or Rock

Table 4

Mechanical properties’ parameters of coal samples.

Specimen number	(kN)	(MPa)	(%)	(GPa)
M1	31.95	16.74	1.49	1.80
M2	27.65	14.47	1.28	1.02
M3	14.47	7.54	1.23	0.78
M4	41.90	21.90	1.75	1.69
M5	20.36	10.66	1.13	1.59
M6	47.87	25.08	1.54	2.74
M7	26.46	13.80	1.51	1.45
M8	40.61	21.26	1.39	2.34