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real lp_distsamp(int[] y, vector db, real log_lambda, real par1, real par2,
int point, int keyfun, vector conv_const){
real lam = exp(log_lambda);
int J = num_elements(db) - 1;
real loglik = 0.0;
real cp;
for (j in 1:J){
cp = prob_dist(par1, par2, keyfun, db[j], db[j+1], point);
cp = cp * conv_const[j];
loglik += poisson_lpmf(y[j] | lam * cp);
}
return loglik;
}
vector get_loglik_distsamp(int[] y, int M, vector db, int[,] si,
vector log_lambda, vector trans_par1, int z_dist,
real trans_par2, int point, int keyfun, vector conv_const){
vector[M] out;
for (i in 1:M){
out[i] = lp_distsamp(y[si[i,1]:si[i,2]], db, log_lambda[i], trans_par1[i],
trans_par2, point, keyfun, conv_const[si[i,1]:si[i,2]]);
}
return out;
}
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