Application of direct and non-direct abundance proxies: cdfs of 1D marginal posterior pdfs and prior pdfs for HD 219134b, Kepler-10b, Kepler-93b, CoRoT-7b, 55 Cnc e^S, 55 Cnc e^L, and HD 97658b: a) m_env, b) Z_env, c m_water, d) r_mantle, e) r_c. Prior (red), posterior pdf in blue and green for direct and non-direct stellar-planetary abundance correlation, respectively. See discussion in Sect. 4.3.