A Comparison of Mine Seismic Discriminators Based on Features of Source Parameters to Waveform Characteristics

Table 4

Classification results.

Type	Predicted group membership		Predicted group membership
	(approach I)		(approach II)		Total
	Blast	Microseismic events	Blast	Microseismic events
Count
Blasts	39	8	46	1	47
Microseismic events	9	47	2	54	56
%
Blasts	83.0	17.0	97.9	2.4	100.0
Microseismic events	16.1	83.9	3.6	96.4	100.0

83.5% of original grouped cases are correctly classified by approach I, and 97.1% of original grouped cases are correctly classified by approach II.