density.normal_fit      Density of the fitted normal distribution of
                        true effects
em_smooth               Smoothed EM estimate of the distribution of
                        true effects
normal_fit              Normal model for the distribution of true
                        effects
plot.em_smooth          Plot an estimated true-effect distribution
posterior_mean          Posterior mean of each true effect
summary.em_smooth       Summary of an estimated true-effect
                        distribution
summary.normal_fit      Summary of a fitted normal model
