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January 3, 2019 22:18
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Supplemental material for https://austingwalters.com/fasttext-for-sentence-classification/
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import keras | |
from keras.preprocessing import sequence | |
from keras.models import Sequential | |
from keras.layers import Dense, Embedding,GlobalAveragePooling1D | |
model = Sequential() | |
# Created Embedding (Input) Layer (max_words) --> Pooling Layer | |
model.add(Embedding(max_words, embedding_dims, input_length=maxlen)) | |
# Create the average Pooling Layer | |
model.add(GlobalAveragePooling1D()) | |
# Create the output layer (num_classes) | |
model.add(Dense(num_classes, activation='softmax')) | |
# Add optimization method, loss function and optimization value | |
model.compile(loss='categorical_crossentropy', | |
optimizer='adam', metrics=['accuracy']) | |
# "Fit the model" (train model), using training data (80% of datset) | |
model.fit(x_train, y_train, batch_size=batch_size, | |
epochs=epochs, validation_data=(x_test, y_test)) | |
# Evaluate the trained model, using the test data (20% of the dataset) | |
score = model.evaluate(x_test, y_test, batch_size=batch_size) |
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