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Table 8 IMPROVEMENT of the scale normalization methods. IMPROVEMENT is described in detail in Table 6. For a given data set, the biggest IMPROVEMENT(s) is shown in bold. The methods and data sets are described in Tables 3 and 4, respectively.

From: Evaluation of normalization methods for cDNA microarray data by k-NN classification

Location, Scale Normalization method IMPROVEMENT (%, LIVER CANCER) IMPROVEMENT (%, LYMPHOMA) IMPROVEMENT (%, RENAL CELL CARCINOMA) IMPROVEMENT (%, GASTRIC CARCINOMA) IMPROVEMENT (%, LUNG CANCER)
N ONRM 0 0 0 0 0
N ONRM, W SCALE 8 -13 11 22 3
N ONRM, B SCALE -12 -2 44 -77 -18
N ONRM, WB SCALE -12 -13 44 -33 -9
SL LOESS 33 -2 44 56 3
SL LOESS, W SCALE 37 0 44 44 5
SL LOESS, B SCALE 0 2 39 -188 16
SL LOESS, WB SCALE 5 -7 50 -144 21
IG LOESS 34 30 44 33 5
IG LOESS, W SCALE 30 44 44 44 12
IG LOESS, B SCALE -6 19 33 11 -4
IG LOESS, WB SCALE 0 33 33 33 -7
IL LOESS 45 42 44 33 23
IL LOESS, W SCALE 43 39 39 33 16
IL LOESS, B SCALE 4 58 39 -11 0
IL LOESS, WB SCALE 0 61 39 -22 12
IL LOESS-SL LOESS 48 58 44 44 26
IL LOESS-SL LOESS, W SCALE 48 49 44 78 26
IL LOESS-SL LOESS, B SCALE 21 51 11 -11 23
IL LOESS-SL LOESS, WB SCALE 25 54 33 0 28
IG LOESS-SL FILTERW7 44 58 50 56 40
IG LOESS-SL FILTERW7, W SCALE 46 53 50 56 42
IG LOESS-SL FILTERW7, B SCALE 11 56 28 -11 23
IG LOESS-SL FILTERW7, WB SCALE 8 49 33 -11 21