An Empirical Study of Different Approaches for Protein Classification

Table 3

Comparison among the different feature extractors in terms of the statistical rank on the different datasets. The 2 best descriptors for each representation are in boldface.

Descriptors		Rank
Protein representation	Descriptor
AAS	AS	23.42
	2G	27.25
	QRC𝑑	21.54
	AC𝑑	11.52
	P2G𝑑	39.78
	AA𝑑	21.36
	GE	30.24
	NG	27.85
	SAC	23.45
	DW𝑑	29.48
PSSM	AB	15.25
	SAN	7.25
	SA	13.20
	AM	20.50
	PP	5.02
	SVD	39.56
	DCT	28.56
	LHF_G	24.10
	LPQ_G	14.87
	LHF_L	31.81
	LPQ_L	26.72
	BGR	12.44
	TGR	15.68
SMR	AB	28.78
	SAN	24.80
	SA	24.82
	AM	40.52
	PP	12.50
	SVD	29.20
	DCT	32.45
	LHF_G	17.02
	LPQ_G	17.22
	LHF_L	26.24
	LPQ_L	31.24
	BGR	19.86
	TGR	23.24
PR (ensemble of 25 PR𝑑)	SVD	38.25
	DCT	37.85
	LHF_G	41.25
	LPQ_G	38.38
	LHF_L	44.02
	LPQ_L	38.48
WAVE (ensemble of 25 WAVE𝑑)	SVD	40.25
	DCT	47.00
	LHF_G	38.95
	LPQ_G	34.01
	LHF_L	41.10
	LPQ_L	40.20