[Eu/Fe] (top panel), [Eu/Mg] (middle panel), and [Ba/Eu] (bottom panel) vs. [Fe/H] trends for the SMC, the LMC, and the MW. The solid lines are non-parametric Gaussian KDE (Kernel Density Estimation) regressions, while the shaded areas represent the 1σ confidence interval of the regressions. The black dotted line in the bottom panel marks the value below which we have a pure r-process enrichment (Arlandini et al. 1999, see also Fig. 5).