targets[:, 0][seq[:, 0, 1] < seq[:, 0, 0] - thresh] = 2 targets[:, -1][seq[:, -1, 1] > seq[:, -2, 0] + thresh] = 1 targets[:, -1][seq[:, -1, 1] < seq[:, -2, 0] - thresh] = 2 targets[:, 1:][seq[:, 1:-1, 1] > seq[:, :-2, 0] + thresh] = 1 targets[:, 1:][seq[:, 1:-1, 1] < seq[:, :-2, 0] - thresh] = 2 # otherwise class is 0 targets_onehot = np.zeros((n_seq, time_steps_y, n_y), dtype=np.int) targets_onehot[:, :, 0][targets[:, :] == 0] = 1 targets_onehot[:, :, 1][targets[:, :] == 1] = 1 targets_onehot[:, :, 2][targets[:, :] == 2] = 1 mode = 'tr1' model = ENC_DEC(n_u, n_h, n_d, n_y, time_steps_x, time_steps_y, 0.001, 200) model.add(hidden(n_u, n_h)) model.add(decoder(n_h, n_d, n_y, time_steps_x, time_steps_y)) model.build('softmax') if mode == 'tr': model.train(seq, targets) model.save('encdec_new.pkl') else: model.load('encdec_new.pkl') i = 20 plt.close('all') fig = plt.figure() ax1 = plt.subplot(311)
''' output = input #targets=output.texts_to_sequences(text,n_sentence,n_maxlen) targets = seq n_words_y = output.nb_words targets[:-1] = targets[1:] seq, seq_mask, targets, targets_mask = prepare_data(seq, targets, n_maxlen) ####build model mode = 'tr' model = ENC_DEC(n_u, n_h, n_d, n_y, n_epochs, n_chapter, n_batch, n_gen_maxlen, n_words_x, n_words_y, dim_word, momentum_switchover, lr, learning_rate_decay, snapshot_Freq, sample_Freq) model.add(BiDirectionGRU(n_u, n_h)) model.add(decoder(n_h, n_d, n_y)) model.build() filepath = 'data/ted.pkl' if mode == 'tr': if os.path.isfile(filepath): model.load(filepath) model.train(seq, seq_mask, targets, targets_mask, input, output, verbose, optimizer) model.save(filepath) ##draw error graph
# otherwise class is 0 targets_onehot = np.zeros((n_seq, time_steps_y, n_y), dtype=np.int) targets_onehot[:, :, 0][targets[:, :] == 0] = 1 targets_onehot[:, :, 1][targets[:, :] == 1] = 1 targets_onehot[:, :, 2][targets[:, :] == 2] = 1 targets_onehot = np.cast[theano.config.floatX](targets_onehot) mode = 'tr' seq = seq.transpose(1, 0, 2) targets_onehot = targets_onehot.transpose(1, 0, 2) model = ENC_DEC(n_u, n_h * 2, n_d, n_y, 0.001, n_epochs, n_batch, n_maxlen) model.add(BiDirectionLSTM(n_u, n_h)) model.add(decoder(n_h * 2, n_d, n_y)) model.build('softmax') if mode == 'tr': model.train(seq, targets_onehot) model.save('encdec_new.pkl') else: model.load('encdec_new.pkl') i = 20 plt.close('all') fig = plt.figure() ax1 = plt.subplot(311)