Table 2.

Experimental results under four conditions.

Test	Matrix	Precision rate	Recall rate	Accuracy	F 1
L1 unweighted	[[1893 2]	0.0000	0.0000	0.9465	0.0000
	[105 0]]
L2 unweighted	[[1894 1]	0.0000	0.0000	0.9470	0.0000
	[105 0]]
L1 weighted	[[1194 701]	0.0896	0.6571	0.6315	0.1577
	[36 69]]
L2 weighted	[[1252 643]	0.0918	0.9190	0.6585	0.1599
	[40 65]]