Created
October 30, 2018 12:24
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import keras | |
def add_lstm_layer(batch_size, stateful, units, X_shape): | |
lstm = keras.layers.LSTM(units, batch_input_shape=(batch_size, X_shape[1], X_shape[2]), | |
stateful=stateful) | |
return lstm | |
def compile_model(model, optimizer, loss='mean_squared_error'): | |
model.compile(loss=loss, optimizer=optimizer) | |
return model | |
def evaluate_model(data, batch_size, model): | |
evaluate_model = model.evaluate(data['X_test'], data['y_test'], batch_size=batch_size, verbose=2) | |
return evaluate_model | |
def fit_model(data, batch_size, epochs, model, shuffle): | |
fit_model = model.fit(data['X_train'], data['y_train'], batch_size=batch_size, epochs=epochs, shuffle=shuffle, | |
validation_data=(data['X_test'], data['y_test']), verbose=2) | |
return fit_model | |
def make_model(activation, batch_size, data, layers, stateful, units): | |
model = keras.models.Sequential() | |
model.add(add_lstm_layer(batch_size, stateful, units, data['X_train'].shape)) | |
# TODO: Test whether return_sequences=True or False makes a difference. | |
for layer in layers: | |
model.add(layer) | |
model.add(activation) | |
return model |
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