def setUp(self): self.net = NeuralNet() self.net.init_layers(2, [1], 1) self.rec_config = ElmanSimpleRecurrent()
y_train = np.array(y_train).reshape((len(y_train), 1)) y_test = np.array(y_test).reshape((len(y_test), 1)) #transformando os dados para estar no intervalo de 0 a 1 scaler_x = MinMaxScaler() x_train = scaler_x.fit_transform(x_train) x_test = scaler_x.transform(x_test) scaler_y = MinMaxScaler() y_train = scaler_y.fit_transform(y_train) y_test = scaler_y.transform(y_test) x_input = np.concatenate( (x_train, x_test, np.zeros((1, np.shape(x_train)[1])))) y_input = np.concatenate((y_train, y_test, np.zeros((1, 1)))) #elaboracao do modelo de rede neural com os parametros definidos fit1 = NeuralNet() fit1.init_layers(input_nodes, [hidden_nodes], output_nodes, ElmanSimpleRecurrent()) fit1.randomize_network() fit1.layers[1].set_activation_type('sigmoid') fit1.set_learnrate(0.05) fit1.set_all_inputs(x_input) fit1.set_all_targets(y_input) fit1.set_learn_range(0, i) fit1.set_test_range(i, i + 1) fit1.learn(epochs=100, show_epoch_results=True, random_testing=False) mse = fit1.test() all_mse.append(mse) print("test set MSE = ", np.round(mse, 6)) target = [item[0][0] for item in fit1.test_targets_activations] target = scaler_y.inverse_transform( np.array(target).reshape((len(target), 1))) pred = [item[1][0] for item in fit1.test_targets_activations]