Table 6. Comparison between QSAR Models for the BTT Data Set.

descriptors		model	variables/LVs	Rtraining2	RSMEtraining	qloo2	Rtest2	refs
1	VSW	PLS	2	0.873	0.23	0.751	0.713	Tong et al.26
2	z scale	PLS	2	0.824	0.26	NR	NR	Hellberg et al.22
3	ISA-ECI	PLS	2	0.8480	0.245	NR	0.245	Collantes and Dunn24
4	MS-WHIM (extended)	PLS	3	0.754	NR	0.710	NR	Zaliani and Gancia25
5	MS-WHIM (rotameric)	PLS	3	0.704	NR	0.633	NR	Zaliani and Gancia25
6	VHSE	PLS	3	0.910	0.20	0.816	0.883	Mie et al.27
7	ATS/QTMS	GA–PLS	2	0.872	0.22	0.826	0.770	Yousefinejad et al.29
8	NDV	MLR	2	0.936	0.149	0.926	0.907	this work