Med                     Simulated data with real mediation effect
constrained.unpenalized
                        Estimate hard constraint model parameters using
                        cyclical coordinate descent.
messi                   Implementation of Mediation with External
                        Summary Statistic Information (MESSI) from Boss
                        et al. (2024).
nullMed                 Simulated data with null mediation effect
plot_messi              Forestplot to Summarize Estimation and
                        Inference on alpha_a and beta_m.
rand.eff.coord.desc.unpenalized
                        Cyclical coordinate descent algorithm for the
                        M-step in the EM Algorithm for the maximizing
                        the soft constraint model likelihood.
rand.eff.unpenalized    Estimate soft constraint model parameters using
                        the EM algorithm.
unconstrained.unpenalized
                        Estimate unconstrained model parameters.
