Scatter Plot from Scientific Research

Scatterplot shows the within-couple standardized MR estimates ( alpha _{x_{i} to x_{p}} ) versus the phenotypic correlation among couples (r_{x_{i}x_{p}}) . The centre of the confidence interval (CI) is the estimate for the corresponding parameter and error bars represent 95% CIs. A two-tailed Z test was used to test for a significant difference between the estimates. After adjusting for the number of effective tests ( P < 0.05/66), 43 significant differences were identified (shown in dark blue), where 3 traits showed larger MR estimates compared to correlation and 40 traits showed larger correlation compared to MR estimates. The identity line is shown in black. Labelled pairs are discussed in the main text.

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