/**
* Load a MaxentModel from a file.
*
* @param model The name of the model to load
*/
void MaxentModel::load(const string& model) {
MaxentModelFile f;
f.load(model);
m_pred_map = f.pred_map();
m_outcome_map = f.outcome_map();
f.params(m_params, m_n_theta, m_theta);
}
// TODO: test & document this function
void MaxentModel::dump_events(const string& model, bool binary) const {
if (!m_es || m_es->size() == 0)
throw runtime_error("empty model, no events to dump");
if (binary)
throw runtime_error("binary events file not supported yet");
display("Dumping events to %s.ev%s", model.c_str() , (binary?".bin":""));
if (binary) {
string file = model + ".ev.bin";
// save_events_bin(f, *m_es);
} else {
string file = model + ".ev";
save_events_txt(file, *m_es);
}
// save model
MaxentModelFile f;
f.set_pred_map(m_pred_map);
f.set_outcome_map(m_outcome_map);
f.set_params(m_params, m_n_theta, m_theta);
f.save(model, binary);
if (m_heldout_es->size() > 0) {
display("Dumping heldout events to %s.heldout.ev%s", model.c_str() , (binary?".bin":""));
if (binary) {
string file = model + ".heldout.ev.bin";
// save_events_bin(f, *m_heldout_es);
} else {
string file = model + ".heldout.ev";
save_events_txt(file, *m_heldout_es);
}
}
}
/**
* Save a MaxentModel to a file.
*
* @param model The name of the model to save.
* @param binary If true, the file is saved in binary format, which is usually
* smaller (if compiled with libz) and much faster to load.
*/
void MaxentModel::save(const string& model, bool binary) const {
if (!m_params)
throw runtime_error("no model to save (empty model)");
MaxentModelFile f;
f.set_pred_map(m_pred_map);
f.set_outcome_map(m_outcome_map);
f.set_params(m_params, m_n_theta, m_theta);
f.save(model, binary);
}
/*
* Load training data.
*
* @param events the file name of
*/
void Trainer::load_training_data(const string& events, const string& model) {
shared_ptr<MEEventSpace> e(new MEEventSpace);
load_events_txt(events, *e);
MaxentModelFile f;
f.load(model);
f.params(m_params, m_n_theta, m_theta);
m_es = e;
}
char*
test_bin_model() {
MaxentModelFile f;
f.load("data/me_model.txt");
f.save("data/model_temp", true);
MaxentModelFile f2;
f2.load("data/model_temp");
return check_model(f2);
}
//S:
void MaxentModel::save_paremeter_on_decrease(const char* filepath){
if (!m_params)
throw runtime_error("no model to save (empty model)");
MaxentModelFile f;
f.set_pred_map(m_pred_map);
f.set_outcome_map(m_outcome_map);
f.set_params(m_params, m_n_theta, m_theta);
f.save_paremeter_on_decrease(filepath);
}
char*
test_save() {
MaxentModelFile t;
// BOOST_CHECK_THROW(t.save("no this model", false), runtime_error);
{
MaxentModelFile f;
f.load("data/me_model.txt");
f.save("data/model_temp", false);
MaxentModelFile f2;
f2.load("data/model_temp");
return check_model(f2);
}
}
MaxentModelFile*
load_model(const string& file) {
MaxentModelFile* f = new MaxentModelFile();
f->load(file);
return f;
}