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. 2022 Aug 29;12:14683. doi: 10.1038/s41598-022-14395-4

Figure 4.

Figure 4

PCA of uneven-sized samples of four color populations. (A) nRed = nGreen = nBlue = 10; nBlack = 200, (B) nRed = nGreen = 10; nBlue = 5; nBlack = 200, (C) nRed = 10; nGreen = 200; nBlue = 50; nBlack = 200 (D) nRed = 25; nGreen = nBlue = 50; nBlack = 200, (E) nRed = 300; nGreen = 200; nBlue = nBlack = 300, and (F) nRed = 1000; nGreen = 2000; nBlue = 300; nBlack = 2000. Scatter plots show the top two PCs. The numbers on the grey bars reflect the Euclidean distances between the color populations over all PCs. Colors include Red [1,0,0], Green [0,1,0], Blue [0,0,1], and Black [0,0,0].