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. 2012 Feb 17;8(6):1148–1161. doi: 10.1007/s11306-012-0406-8

Fig. 4.

Fig. 4

The score plots of PLS-DA (a) and O2PLS-DA (c) are represented. Samples with black color are of low anti-TNFα activity while samples with red and blue colors are of medium and high anti-TNFα activity, respectively. The permutation test for PLS-DA (b) is also presented (Color figure online)