Table 2 Comparison of classification accuracies (with 10-fold cross-validation and 10 times repetitions each case) determined by various feature subsets selected through various feature selection algorithms

72.67(3.29)

73.98(2.08)

72.73(2.08)

74.34(3.35)^a

73.29(3.06)

83.04(0.88)

83.66(0.83)

80.94(0.72)

86.52(0.66)^a

84.47(0.83)

89.19(0.52)^a

88.01(0.66)

84.35(1.16)

86.15(0.51)

88.01(0.83)

81.86(1.30)

81.43(1.42)

74.47(2.14)

85.16(1.19)^a

81.37(0.97)

77.08(1.69)

75.09(2.72)

73.23(3.43)

75.03(2.76)

77.45(1.73)^a

86.27(0.62)

85.22(0.57)

84.10(0.43)

85.90(0.59)

85.46(0.60)

87.58(0.65)

87.45(1.01)

87.01(1.19)

84.35(0.39)

87.83(0.32)^a

84.03(1.17)

82.24(1.99)

77.20(1.44)

83.35(0.71)

84.47(1.24)^a

72.05(2.27)

70.87(1.26)

70.99(1.94)

72.17(2.55)^a

71.99(2.18)

76.21(1.01)

78.82(1.26)

80.94(1.28)

80.68(1.39)

80.99(1.69)^a

82.48(1.09)

83.48(0.89)

82.80(0.83)

84.41(0.99)^a

83.23(0.97)

74.29(1.74)

77.89(1.38)

77.52(2.41)

78.14(1.77)

80.56(1.58)^a

73.60(1.53)^a

68.01(2.45)

71.49(1.42)

72.55(0.76)

67.95(2.07)

78.32(0.85)^a

76.89(1.05)

75.84(0.46)

78.07(0.42)

77.20(1.02)

76.02(0.73)

75.22(0.85)

74.10(0.42)

76.52(1.27)^a

74.84(0.60)

78.70(0.72)^a

78.57(0.73)

75.84(0.80)

78.20(0.46)

77.33(0.98)

70.50(1.83)^a

66.65(2.70)

68.82(3.28)

64.97(2.72)

66.89(3.26)

79.44(1.19)

82.30(1.56)

66.65(0.78)

76.83(1.02)

83.66(0.72)^a

78.32(0.99)

77.08(0.80)

80.68(0.90)^a

70.37(1.17)

78.32(0.80)

77.39(2.07)

78.94(1.86)

70.87(1.32)

76.15(1.38)

79.63(1.37)^a