Table 1.

Distribution of experimental sample data.

Types	Samples	Training Set	Testing Set
AF	1841	1472	369
AT	500	400	100
N	4800	3840	960
PAC	328	262	66
PVC	2106	1684	422
SBR	1855	1484	371
VT	294	235	59
Total	11,724	9377	2347