Exemplo n.º 1
0
 def test_fit_lm_only(self):
     """
     Ensure model training does not error out
     Ensure model returns predictions
     """
     raw_docs = ["".join(text) for text in self.texts]
     texts, annotations = finetune_to_indico_sequence(
         raw_docs, self.texts, self.labels)
     train_texts, test_texts, train_annotations, test_annotations = train_test_split(
         texts, annotations, test_size=0.1)
     self.model.fit(train_texts)
     self.model.fit(train_texts, train_annotations)
     predictions = self.model.predict(test_texts)
     probas = self.model.predict_proba(test_texts)
     self.assertIsInstance(probas, list)
     self.assertIsInstance(probas[0], list)
     self.assertIsInstance(probas[0][0], dict)
     self.assertIsInstance(probas[0][0]['confidence'], dict)
     token_precision = sequence_labeling_token_precision(
         test_annotations, predictions)
     token_recall = sequence_labeling_token_recall(test_annotations,
                                                   predictions)
     overlap_precision = sequence_labeling_overlap_precision(
         test_annotations, predictions)
     overlap_recall = sequence_labeling_overlap_recall(
         test_annotations, predictions)
     self.assertIn('Named Entity', token_precision)
     self.assertIn('Named Entity', token_recall)
     self.assertIn('Named Entity', overlap_precision)
     self.assertIn('Named Entity', overlap_recall)
     self.model.save(self.save_file)
     model = SequenceLabeler.load(self.save_file)
     predictions = model.predict(test_texts)
Exemplo n.º 2
0
 def test_fit_predict_multi_model(self):
     """
     Ensure model training does not error out
     Ensure model returns predictions
     """
     self.model = SequenceLabeler(batch_size=2,
                                  max_length=256,
                                  lm_loss_coef=0.0,
                                  multi_label_sequences=True)
     raw_docs = ["".join(text) for text in self.texts]
     texts, annotations = finetune_to_indico_sequence(
         raw_docs,
         self.texts,
         self.labels,
         none_value=self.model.config.pad_token)
     train_texts, test_texts, train_annotations, _ = train_test_split(
         texts, annotations, test_size=0.1)
     self.model.fit(train_texts, train_annotations)
     self.model.predict(test_texts)
     probas = self.model.predict_proba(test_texts)
     self.assertIsInstance(probas, list)
     self.assertIsInstance(probas[0], list)
     self.assertIsInstance(probas[0][0], dict)
     self.assertIsInstance(probas[0][0]['confidence'], dict)
     self.model.save(self.save_file)
     model = SequenceLabeler.load(self.save_file)
     model.predict(test_texts)
Exemplo n.º 3
0
    def setUpClass(cls):
        cls._download_data()
        
        #dataset preparation
        cls.classifier_dataset = pd.read_csv(cls.classifier_dataset_path, nrows=cls.n_sample * 10)

        path = os.path.join(os.path.dirname(__file__), "data", "testdata.json")
        with open(path, 'rt') as fp:
            cls.texts, cls.labels = json.load(fp)

        cls.animals = ["dog", "cat", "horse", "cow", "pig", "sheep", "goat", "chicken", "guinea pig", "donkey", "turkey", "duck", "camel", "goose", "llama", "rabbit", "fox"]
        cls.numbers = ["one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen"]
        
        #train and save sequence labeler for later use
        try:
            cls.s = SequenceLabeler.load(cls.sequence_labeler_path, **cls.default_seq_config(cls))
        except FileNotFoundError:
            cls.s = SequenceLabeler(**cls.default_seq_config(cls))
            cls.s.fit(cls.texts * 10, cls.labels * 10)
            cls.s.save(cls.sequence_labeler_path)
        
        #train and save classifier for later use
        train_sample = cls.classifier_dataset.sample(n=cls.n_sample*10)
        try:
            cls.cl = Classifier.load(cls.classifier_path)
        except FileNotFoundError:
            cls.cl = Classifier(**cls.default_config(cls))
            cls.cl.fit(train_sample.Text, train_sample.Target)
            cls.cl.save(cls.classifier_path)

        if cls.do_comparison:
            #train and save comparison regressor for use
            cls.cr = ComparisonRegressor()
    
            n_per = 150
            similar = []
            different = []
            for dataset in [cls.animals, cls.numbers]:
                for i in range(n_per // 2):
                    similar.append([random.choice(dataset), random.choice(dataset)])
            for i in range(n_per):
                different.append([random.choice(cls.animals), random.choice(cls.numbers)])

            targets = np.asarray([1] * len(similar) + [0] * len(different))
            data = similar + different

            cls.x_tr, cls.x_te, cls.t_tr, cls.t_te = train_test_split(data, targets, test_size=0.3, random_state=42)
            
            try:
                cls.cr = ComparisonRegressor.load(cls.comparison_regressor_path, **cls.default_config(cls))
            except FileNotFoundError:
                cls.cr = ComparisonRegressor(**cls.default_config(cls))
                cls.cr.fit(cls.x_tr, cls.t_tr)
                cls.cr.save(cls.comparison_regressor_path)
Exemplo n.º 4
0
 def test_fit_predict(self):
     """
     Ensure model training does not error out
     Ensure model returns predictions
     """
     raw_docs = ["".join(text) for text in self.texts]
     texts, annotations = finetune_to_indico_sequence(raw_docs, self.texts, self.labels)
     train_texts, test_texts, train_annotations, test_annotations = train_test_split(texts, annotations)
     self.model.fit(train_texts, train_annotations)
     predictions = self.model.predict(test_texts)
     self.model.save(self.save_file)
     model = SequenceLabeler.load(self.save_file)
     predictions = model.predict(test_texts)