A Cost-Sensitive Sparse Representation Based Classification for Class-Imbalance Problem

Table 2

Average cost of the four methods (cost ratio 1 : 10).

Methods	CSSRC	SRC	CSSVM	CS4VM
Abalone	0.0122	0.6585	1.5905	0.4590
Housing	0.0610	0.1585	1.6333	0.4190
Nursery	0.0488	0.3902	0.3110	0.0817
Letter	0.1220	0.6219	0.1774	0.3378
Pima	0.0122	2.4390	2.4495	0.5027
Cmc	0.5122	0.5488	1.9905	0.5105
Car	0.0244	0.0976	0.6714	0.2610