/
test_metrics.py
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/
test_metrics.py
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import json
import numpy as np
from deeppavlov.models.classifiers.intents.metrics import fmeasure
from sklearn.metrics import log_loss, accuracy_score
from deeppavlov.core.common.params import from_params
from deeppavlov.core.common.registry import REGISTRY
from deeppavlov.models.classifiers.intents.utils import labels2onehot, proba2onehot, \
proba2labels, log_metrics
def main(config_name='config_infer.json'):
# K.clear_session()
with open(config_name) as f:
config = json.load(f)
# Reading datasets from files
reader_config = config['dataset_reader']
reader = REGISTRY[reader_config['name']]
data = reader.read(reader_config['data_path'])
# Building dict of datasets
dataset_config = config['dataset']
dataset = from_params(REGISTRY[dataset_config['name']],
dataset_config, data=data)
# Merging train and valid dataset for further split on train/valid
# dataset.merge_data(fields_to_merge=['train', 'valid'], new_field='train')
# dataset.split_data(field_to_split='train', new_fields=['train', 'valid'], proportions=[0.9, 0.1])
preproc_config = config['preprocessing']
preproc = from_params(REGISTRY[preproc_config['name']],
preproc_config)
# dataset = preproc.preprocess(dataset=dataset, data_type='train')
# dataset = preproc.preprocess(dataset=dataset, data_type='valid')
dataset = preproc.preprocess(dataset=dataset, data_type='test')
# Extracting unique classes
# Initializing model
model_config = config['model']
model = from_params(REGISTRY[model_config['name']],
model_config)
print("Considered loss and metrics: {}".format(model.metrics_names))
test_batch_gen = dataset.batch_generator(batch_size=model.opt['batch_size'],
data_type='test')
test_preds = []
test_true = []
for test_id, test_batch in enumerate(test_batch_gen):
test_preds.extend(model.infer(test_batch[0], ))
test_true.extend(labels2onehot(test_batch[1], model.classes))
if model.opt['show_examples'] and test_id == 0:
for j in range(model.opt['batch_size']):
print(test_batch[0][j],
test_batch[1][j],
proba2labels([test_preds[j]], model.confident_threshold, model.classes))
test_true = np.asarray(test_true, dtype='float64')
test_preds = np.asarray(test_preds, dtype='float64')
test_values = []
test_values.append(log_loss(test_true, test_preds))
test_values.append(accuracy_score(test_true, proba2onehot(test_preds, model.confident_threshold, model.classes)))
test_values.append(fmeasure(test_true, proba2onehot(test_preds, model.confident_threshold, model.classes)))
log_metrics(names=model.metrics_names,
values=test_values,
mode='test')
if __name__ == '__main__':
main()