# Initialize meta learner
if config['meta_learner'] == 'maml':
meta_learner = MAML(config)
elif config['meta_learner'] == 'proto_net':
meta_learner = PrototypicalNetwork(config)
elif config['meta_learner'] == 'baseline':
meta_learner = Baseline(config)
elif config['meta_learner'] == 'majority':
meta_learner = MajorityClassifier()
elif config['meta_learner'] == 'nearest_neighbor':
meta_learner = NearestNeighborClassifier(config)
else:
raise NotImplementedError
# Meta-training
meta_learner.training(train_episodes, val_episodes)
logger.info('Meta-learning completed')
# Meta-testing
for _ in trange(5):
test_episodes, label_map = utils.generate_ner_episodes(
dir=ner_test_path,
labels_file=labels_test,
n_episodes=config['num_test_episodes']['ner'],
n_support_examples=config['num_shots']['ner'],
n_query_examples=config['num_test_samples']['ner'],
task='ner',
meta_train=False)
meta_learner.testing(test_episodes, label_map)
logger.info('Meta-testing completed')
# Initialize meta learner
if config['meta_learner'] == 'maml':
meta_learner = MAML(config)
elif config['meta_learner'] == 'proto_net':
meta_learner = PrototypicalNetwork(config)
elif config['meta_learner'] == 'baseline':
meta_learner = Baseline(config)
elif config['meta_learner'] == 'majority':
meta_learner = MajorityClassifier()
elif config['meta_learner'] == 'nearest_neighbor':
meta_learner = NearestNeighborClassifier(config)
else:
raise NotImplementedError
logger.info('Run {}'.format(i + 1))
val_f1 = meta_learner.training(wsd_train_episodes, wsd_val_episodes)
test_f1 = meta_learner.testing(wsd_test_episodes)
run_dict['val_' + str(i+1) + '_f1'] = val_f1
run_dict['test_' + str(i+1) + '_f1'] = test_f1
val_f1s.append(val_f1)
test_f1s.append(test_f1)
avg_val_f1 = np.mean(val_f1s)
avg_test_f1 = np.mean(test_f1s)
std_test_f1 = np.std(test_f1s)
run_dict['avg_val_f1'] = avg_val_f1
run_dict['avg_test_f1'] = avg_test_f1
run_dict['std_test_f1'] = std_test_f1
logger.info('Got average validation F1: {}'.format(avg_val_f1))
logger.info('Got average test F1: {}'.format(avg_test_f1))
results_columns = ['model_name', 'output_lr', 'learner_lr', 'meta_lr', 'hidden_size', 'num_updates', 'dropout_ratio', 'meta_weight_decay'] \