本文整理汇总了Python中sklearn.naive_bayes.MultinomialNB.add_output方法的典型用法代码示例。如果您正苦于以下问题：Python MultinomialNB.add_output方法的具体用法？Python MultinomialNB.add_output怎么用？Python MultinomialNB.add_output使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sklearn.naive_bayes.MultinomialNB的用法示例。
在下文中一共展示了MultinomialNB.add_output方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: print
# 需要导入模块: from sklearn.naive_bayes import MultinomialNB [as 别名]
# 或者: from sklearn.naive_bayes.MultinomialNB import add_output [as 别名]
print ("Method = CNN from the paper 'Convolutional Neural Networks for Sentence Classification'")
np.random.seed(0)
nb_filter = embeddings_dim
model = Graph()
model.add_input(name='input', input_shape=(max_sent_len,), dtype=int)
model.add_node(Embedding(max_features, embeddings_dim, input_length=max_sent_len, mask_zero=False, weights=[embedding_weights] ), name='embedding', input='input')
model.add_node(Dropout(0.25), name='dropout_embedding', input='embedding')
for n_gram in [3, 5, 7]:
model.add_node(Convolution1D(nb_filter=nb_filter, filter_length=n_gram, border_mode='valid', activation='relu', subsample_length=1, input_dim=embeddings_dim, input_length=max_sent_len), name='conv_' + str(n_gram), input='dropout_embedding')
model.add_node(MaxPooling1D(pool_length=max_sent_len - n_gram + 1), name='maxpool_' + str(n_gram), input='conv_' + str(n_gram))
model.add_node(Flatten(), name='flat_' + str(n_gram), input='maxpool_' + str(n_gram))
model.add_node(Dropout(0.25), name='dropout', inputs=['flat_' + str(n) for n in [3, 5, 7]])
model.add_node(Dense(1, input_dim=nb_filter * len([3, 5, 7])), name='dense', input='dropout')
model.add_node(Activation('sigmoid'), name='sigmoid', input='dense')
model.add_output(name='output', input='sigmoid')
if num_classes == 2: model.compile(loss={'output': 'binary_crossentropy'}, optimizer='adam')
else: model.compile(loss={'output': 'categorical_crossentropy'}, optimizer='adam')
model.fit({'input': train_sequences, 'output': train_labels}, batch_size=32, nb_epoch=30)
results = np.array(model.predict({'input': test_sequences}, batch_size=32)['output'])
if num_classes != 2: results = results.argmax(axis=-1)
else: results = (results > 0.5).astype('int32')
print ("Accuracy = " + repr( sklearn.metrics.accuracy_score( test_labels , results ) ))
print (sklearn.metrics.classification_report( test_labels , results ))
print ("Method = Bidirectional LSTM")
np.random.seed(0)
model = Graph()
model.add_input(name='input', input_shape=(max_sent_len,), dtype=int)
model.add_node(Embedding( max_features, embeddings_dim, input_length=max_sent_len, mask_zero=True, weights=[embedding_weights] ), name='embedding', input='input')
model.add_node(LSTM(embeddings_dim, activation='sigmoid', inner_activation='hard_sigmoid', return_sequences=True), name='forward1', input='embedding')