Fig. 1 | Scientific Reports

Fig. 1

From: Enhancing epigenetic aging clocks in cetaceans: accurate age estimations in small endangered delphinids, killer whales, pilot whales, belugas, humpbacks, and bowhead whales

Fig. 1

Cross-validation study of epigenetic clocks for cetaceans. Three epigenetic clocks that were trained on cetacean tissues: (A) all tissues, (B) blood, (C) skin. Dots are colored by species. “LOO” sample denotes the leave-one-out cross validation estimates of DNA methylation age (DNAm, y-axis, in units of years). Each panel illustrates a linear regression (black dashed line), a diagonal line (y = x), sample size (N), Pearson correlation (cor) between DNAm and estimated age across all samples, and median value of the median absolute error (MAE) for residuals across all samples.

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