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. 2022 Jul 4;54:49. doi: 10.1186/s12711-022-00740-8

Fig. 4.

Fig. 4

Accuracy of imputation from medium-density to sequence level. Imputation was performed using a reference panel of 162 horses (RP2) and the software Beagle 5.1. a Accuracy of imputation per chromosome. b Accuracy of imputation against marker density of the medium-density SNP array per chromosome. The dashed line indicates a linear regression model of y = 0.017x + 0.232 (adjusted R-squared: 0.669, p-value: 1.2 × 10–8). c Accuracy of imputation against marker density of the medium-density SNP array for the ECA31 chromosome. The dashed line indicates a linear regression model of y = 0.017  + 0.233 (adjusted R-squared: 0.896, p-value: 1.6 × 10–13). d Accuracy of imputation plotted against the position on ECA31, with positions of the medium-density (MD) SNP array shown in orange