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Table 1 Eigenvalue threshold % variance values for PCA

From: The poly-omics of ageing through individual-based metabolic modelling

Group Individuals Average Threshold % Variance
All individuals 499 100/498 0.2
21- 112 100/111 0.9
22-49 360 100/359 0.28
50 + 27 100/26 3.85
  1. Significant components had eigenvalues with an individual contribution to variance greater than the threshold percentage variance value. The threshold percentage variances for each of the different groups of data are shown along with the details of how that value was obtained