expectedLTT2 <- function(pars, ct=15, n_it= 10, sn_it = 100, median=FALSE, dim=NULL){ # it should also include model
# add message that checks that do not have extinct species
a = vector("list", n_it)
# diversity dependence model. parameters are par=c(lambda,mu,K)
time=proc.time()
for (i in 1:(n_it)){
s = sim_phyl(seed=i, ct = ct, lambda0 = pars[1], mu0 = pars[2], K = pars[3])$newick.extant.p
a[[i]] = s$wt
}
proc.time()-time
n.obs <- sapply(a, length)
#m.obs = round(mean(n.obs))
seq.max <- seq_len(max(n.obs))
same_dim = 0
if(!is.null(dim) & sum(n.obs == dim)>1 ){
p_it = n_it #previous it
n_it = sn_it
a = a[1:n_it]
for (i in (p_it+1):(n_it)){
s = sim_phyl(seed=i, ct = ct, lambda0 = pars[1], mu0 = pars[2], K = pars[3])$newick.extant.p
a[[i]] = s$wt
}
n.obs <- sapply(a, length)
a = a[n.obs == dim]
seq.max = seq_len(dim)
same_dim = sum(n.obs == dim)
}
mat <- t(sapply(a, "[", i = seq.max))
#mat = mat[,1:m.obs]
expect = colMeans(mat,na.rm = TRUE)
if(median){expect = colMedians(mat,na.rm = TRUE)}
ce = cumsum(expect)
bt=c(cumsum(expect[ce<15]),15)
if(!is.null(dim) & sum(n.obs == dim)>1){
bt = ce
}
expect = list(bt=bt, Ex = 1:length(cumsum(expect[ce<15])),same_dim=same_dim)
return(expect)
}
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