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. 2017 Dec 22;18:988. doi: 10.1186/s12864-017-4363-5

Fig. 2.

Fig. 2

Multilevel PCA on the biological variables responding to LPS. Colors represent the time step; Black: t=0; Red: t=+1; Green: t=+4; Blue: t=+24; a: Projection of the individuals on dimensions 1 - 2; b: Projection of the variables on dimensions 1 - 2