Statistical Analysis of Variation in the Human Plasma Proteome

Figure 3

Principal component analysis of the 33 samples from the present study and the 8 replicates from the previous Technical Variation Study (TVS) [9], color-coded according to the legend, projected onto the first two principal components. Ellipses highlighting subjects 1 (red), 11 (green), and the TVS (black) are added for illustrative purposes only.