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) |