import(ape)
import(picante)
import(pspline)
import(deSolve)
export(fit_bd, fit_coal_cst, fit_coal_var, fit_env, fit_sgd)
export(likelihood_bd, likelihood_coal_cst, likelihood_coal_var, likelihood_sgd)
export(plot_dtt, plot_fit_bd, plot_fit_env, sim_sgd)
S3method(print, fit.env)
S3method(print, fit.bd)
