void print_sample_params(RNG& rng, stan::mcmc::sample& sample, stan::mcmc::base_mcmc& sampler, M& model) { if(!_sample_stream) return; std::vector<double> values; sample.get_sample_params(values); sampler.get_sampler_params(values); std::vector<double> model_values; model.write_array(rng, const_cast<std::vector<double>&>(sample.cont_params()), const_cast<std::vector<int>&>(sample.disc_params()), model_values, true, true); // FIXME: add ostream for msgs! values.insert(values.end(), model_values.begin(), model_values.end()); (*_sample_stream) << values.at(0); for (size_t i = 1; i < values.size(); ++i) { (*_sample_stream) << "," << values.at(i); } (*_sample_stream) << std::endl; }
void output_sample_params(RNG& rng, stan::mcmc::sample& s, stan::mcmc::base_mcmc* sampler_ptr, M& model, std::vector<Rcpp::NumericVector>& chains, bool is_warmup, std::vector<Rcpp::NumericVector>& sampler_params, std::vector<Rcpp::NumericVector>& iter_params, std::vector<double>& sum_pars, double& sum_lp, const std::vector<size_t>& qoi_idx, int iter_save_i, std::ostream* pstream) { std::vector<double> values; s.get_sample_params(values); std::vector<double> sampler_values; sampler_ptr -> get_sampler_params(sampler_values); std::vector<double> param_values; model.write_array(rng, const_cast<std::vector<double>&>(s.cont_params()), const_cast<std::vector<int>&>(s.disc_params()), param_values, true, true, pstream); // values in param_values are column-major. size_t z = 0; if (!is_warmup) { for (z = 0; z < param_values.size(); z++) sum_pars[z] += param_values[z]; sum_lp += values.at(index_for_lp_); } for (z = 0; z < sample_names_.size(); z++) { iter_params[z][iter_save_i] = values[z]; } for (z = 0; z < qoi_idx.size() - 1; ++z) { chains[z][iter_save_i] = param_values[qoi_idx[z]]; } chains[z][iter_save_i] = values.at(index_for_lp_); for (z = 0; z < sampler_values.size(); z++) sampler_params[z][iter_save_i] = sampler_values[z]; if (!psample_stream_) return; (*psample_stream_) << values.at(0); for (size_t i = 1; i < values.size(); ++i) { (*psample_stream_) << "," << values[i]; } for (size_t i = 0; i < sampler_values.size(); ++i) (*psample_stream_) << "," << sampler_values[i]; for (size_t i = 0; i < param_values.size(); ++i) (*psample_stream_) << "," << param_values[i]; (*psample_stream_) << std::endl; }