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. 2013 Feb 11;8(2):e55267. doi: 10.1371/journal.pone.0055267

Table 3. The mean number of components used for the experimental data sets.

PPLS-DA with PLS-DA
data set Inline graphic Inline graphic Inline graphic
Leukemia 2.6 2.8 2.3 2.0
Lymphoma 2.9 3.1 2.8 1.8
Breast cancer 2.4 2.3 2.4 2.7
Prostate 1 2.5 3.4 4.0 4.1
Prostate 2 2.9 3.7 4.3 4.2