This function should be called internally by other plots to set general settings like , smoothing, add band, labelling, theming,...
# S3 method for pmx_gpar
plot_pmx(gpar, p)object of pmx_gpar type
plot
ggplot2 object
Other plot_pmx: distrib,
eta_cov, eta_pairs,
individual, plot_pmx.distrib,
plot_pmx.eta_cov,
plot_pmx.eta_pairs,
plot_pmx.individual,
plot_pmx.pmx_dens,
plot_pmx.pmx_qq,
plot_pmx.residual, plot_pmx