The panels show the reachability plots resulting from clustering on different abundance spaces. The points are color coded depending on the cluster they are member of. The relevant coefficients and scores are listed on top of each panel. Top panel: reachability plot obtained from the 19-dimensional space defined by the chemical abundances of Fe, Na, Mg, Al, Si, Ca, Sc, Ti, V, Cr, Mn, Co, Ni, Cu, Zns, Ba, Y, Nd, and Eu. Mid panel: reachability plot obtained from the 5-dimensional space defined by the chemical abundances of Fe, Si, Ni, Co, and Ba. Bottom panel: reachability plot obtained from the 5-dimensional space found by PCA and LDA.