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Table 1 Statistical classification error rates (and their corresponding standard deviation) by using SVM with different parameters on four microarray data sets (%)

From: Selecting subsets of newly extracted features from PCA and PLS in microarray data analysis

DATASET SVM PCASVM GAPCASVM PLSSVM GAPLSSVM PPSVM GAPPSVM
C = 10, σ = 0.01 for SVM
CNS 40.4(8.6) 36.4(4.4) 35.2(1.6) 36.6(2.8) 35.0(5.6) 36.2(5.3) 35.0(7.0)
COLON 34.6(5.4) 31.3(7.0) 29.6(7.5) 29.5(8.2) 28.8(9.2) 33.2(6.7) 30.5(7.2)
LEUKEMIA 27.0(7.1) 26.2(6.1) 23.2(6.4) 20.4(7.0) 16.2(5.9) 22.9(7.5) 21.7(7.2)
LUNG 4.2(7.2) 4.1(5.9) 3.9(6.2) 3.7(6.2) 3.3(5.8) 4.4(5.5) 4.0(7.3)
Average 26.8(7.1) 24.5(5.9) 22.9(5.4) 22.5(6.1) 20.8(6.7) 24.1(6.2) 22.8(7.2)
C = 10, σ = 10 for SVM
CNS 40.6(9.2) 35.7(4.2) 34.4(7.3) 39.6(7.5) 38.4(5.5) 40.0(5.3) 38.7(8.3)
COLON 34.6(5.4) 29.1(8.3) 29.6(7.3) 29.7(8.3) 29.1(9.3) 33.7(6.9) 32.2(7.2)
LEUKEMIA 27.4(6.9) 26.3(6.2) 22.1(6.3) 20.4(7.0) 16.3(6.0) 22.8(7.3) 20.9(7.2)
LUNG 3.7(6.9) 2.9(6.2) 1.7(6.2) 1.6(6.8) 1.6(6.1) 1.6(8.5) 1.5(4.4)
Average 26.5(7.1) 23.4(6.2) 21.9(6.8) 22.8(7.4) 21.3(6.7) 24.5(6.9) 23.3(6.8)
C = 1000, σ = 0.01 for SVM
CNS 37.6(7.6) 35.4(1.7) 34.4(1.0) 36.1(2.9) 35.0(5.4) 36.0(5.0) 35.6(3.1)
COLON 33.7(5.2) 31.0(7.8) 29.9(7.3) 28.9(8.7) 27.8(9.3) 33.4(7.2) 30.1(8.0)
LEUKEMIA 26.8(7.2) 25.8(6.2) 23.3(6.3) 20.5(6.9) 16.4(9.5) 24.0(7.4) 21.0(7.1)
LUNG 4.2(6.9) 4.1(6.5) 3.2(6.2) 3.4(7.2) 3.4(8.4) 4.0(6.3) 3.3(5.8)
Average 25.6(6.8) 24.0(5.5) 22.7(5.2) 22.2(6.4) 20.6(8.2) 24.6(6.5) 22.9(6.0)
C = 1000, σ = 10 for SVM
CNS 41.4(8.7) 35.4(8.6) 34.0(8.4) 40.9(7.6) 38.9(5.8) 42.5(9.1) 39.2(8.8)
COLON 33.9(6.0) 31.0(7.5) 29.7(7.0) 29.0(8.7) 28.5(9.3) 32.8(7.2) 29.7(8.0)
LEUKEMIA 27.9(7.2) 25.0(6.1) 23.1(6.6) 20.5(6.9) 16.4(5.9) 22.6(7.7) 21.1(7.3)
LUNG 3.9(5.8) 2.8(6.5) 1.3(6.8) 1.7(6.3) 1.4(6.9) 3.6(6.3) 1.3(6.4)
Average 26.7(6.9) 23.5(7.2) 22.0(7.2) 23.0(7.3) 21.2(7.0) 25.4(7.6) 22.8(7.6)