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Table 7 T-statistics and ROC statistics of the 8 R-SVM-selected markers on the breast cancer data

From: Recursive SVM feature selection and sample classification for mass-spectrometry and microarray data

  t-test ROC curve
Markera Rankb t-statistics P-value AUC AUC se
+Marker-5 1 -5.867 3.31E-08 0.775 0.041
+Marker-28 2 -5.229 7.68E-07 0.745 0.043
Marker-29 3 5.169 9.29E-07 0.708 0.044
+Marker-58 4 -4.911 2.79E-06 0.754 0.043
Marker-74 6 4.103 7.07E-05 0.700 0.044
Marker-81 10 -2.963 3.61E-03 0.626 0.048
Marker-92 52 1.639 0.104 0.638 0.047
Marker- 97 94 0.162 0.872 0.570 0.049
  1. a The biological study based on these and other data will be published elsewhere. Here we use the relative sequential position of the markers on the m/z axis to represent them.
  2. b Rank ordered by t-statistics among the 98 markers.
  3. + Biomarkers corresponds to "peptide A"