pbd_brts_density(
pars1,
pars1f = c(function(t,pars) {pars[1]},function(t,pars) {pars[2]},
function(t,pars) {pars[3]}, function(t,pars) {pars[4]}),
methode = "lsoda",
brts
)
pars1[1]
corresponds to b (= la_1 in Etienne & Rosindell R2012) = speciation initiation rate
pars1[2]
corresponds to mu_1 (= mu_g in Etienne & Rosindell 2012) = extinction rate of good species
pars1[3]
corresponds to la_1 (= la_2 in Etienne & Rosindell 2012) = speciation completion rate
pars1[4]
corresponds to mu_2 (= mu_i in ER2012) = extinction rate of incipient species
When rates depend on time this time dependence should be specified in pars1f and pars1 then becomes the parameters used in pars1f
pars1f[1]
corresponds to time-dependence of b (= la_1 in Etienne & Rosindell R2012) = speciation initiation rate
pars1f[2]
corresponds to time-dependence of mu_1 (= mu_g in Etienne & Rosindell 2012) = extinction rate of good species
pars1f[3]
corresponds to tiem-dependence of la_1 (= la_2 in Etienne & Rosindell 2012) = speciation completion rate
pars1f[4]
corresponds to time-dependence of mu_2 (= mu_i in ER2012) = extinction rate of incipient species
pbd_ML