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Table 1 Eigenvalues and percentages of variance and cumulative variance explained by the first ten principal components (out of 34) of the PCA obtained with the residuals from the multivariate regression analysis

From: Variational modularity at the cell level: insights from the sperm head of the house mouse

  St Rb
PC Eigenvalues Variance (%) Cumulative (%) Eigenvalues Variance (%) Cumulative (%)
1. 0.00144 25.155 25.155 0.00147 27.376 27.376
2. 0.00107 18.594 43.749 0.00090 16.700 44.076
3. 0.00076 13.238 56.987 0.00067 12.518 56.594
4. 0.00056 9.731 66.718 0.00055 10.288 66.883
5. 0.00046 8.008 74.726 0.00042 7.823 74.706
6. 0.00027 4.708 79.434 0.00025 4.701 79.407
7. 0.00022 3.907 83.341 0.00023 4.306 83.713
8. 0.00019 3.371 86.711 0.00018 3.419 87.132
9. 0.00015 2.629 89.341 0.00013 2.431 89.563
10. 0.00014 2.383 91.723 0.00012 2.205 91.768
  1. Abbreviations: PC, Principal components; St, standard sperm heads; Rb, Robertsonian sperm heads.