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在時間序列預測問題中,建立LSTM模型,采用python語言代碼實現

資源截圖

代碼片段和文件信息

#?coding:?utf-8
from?__future__?import?print_function
import?numpy?as?np
import?matplotlib
matplotlib.use(‘agg‘)
import?matplotlib.pyplot?as?plt
import?tensorflow?as?tf
from?tensorflow.contrib.timeseries.python.timeseries?import??NumpyReader


x?=?np.array(range(1000))
noise?=?np.random.uniform(-0.2?0.2?1000)
y?=?np.sin(np.pi?*?x?/?100)?+?x?/?200.?+?noise
plt.plot(x?y)
plt.savefig(‘timeseries_y.jpg‘)

data?=?{
????tf.contrib.timeseries.TrainEvalFeatures.TIMES:?x
????tf.contrib.timeseries.TrainEvalFeatures.VALUES:?y
}

reader?=?NumpyReader(data)

with?tf.Session()?as?sess:
????full_data?=?reader.read_full()
????coord?=?tf.train.Coordinator()
????threads?=?tf.train.start_queue_runners(sess=sess?coord=coord)
????print(sess.run(full_data))
????coord.request_stop()

train_input_fn?=?tf.contrib.timeseries.RandomWindowInputFn(
????reader?batch_size=2?window_size=10)

with?tf.Session()?as?sess:
????batch_data?=?train_input_fn.create_batch()
????coord?=?tf.train.Coordinator()
????threads?=?tf.train.start_queue_runners(sess=sess?coord=coord)
????one_batch?=?sess.run(batch_data[0])
????coord.request_stop()

print(‘one_batch_data:‘?one_batch)

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-07-22?02:35??chapter_15\
?????文件????????8586??2018-07-22?02:35??chapter_15\train_lstm_multivariate.py
?????文件????????8716??2018-07-22?02:35??chapter_15\train_lstm.py
?????文件????????1794??2018-07-22?02:35??chapter_15\train_csv.py
?????文件????????1900??2018-07-22?02:35??chapter_15\train_array.py
?????文件?????????794??2018-07-22?02:35??chapter_15\test_input_csv.py
?????文件????????1159??2018-07-22?02:35??chapter_15\test_input_array.py
?????文件?????????997??2018-07-22?02:35??chapter_15\README_eng.md
?????文件?????????745??2018-07-22?02:35??chapter_15\README.md
?????文件????????1149??2018-07-22?02:35??chapter_15\.gitignore
?????目錄???????????0??2018-07-22?02:35??chapter_15\img\
?????文件??????184967??2018-07-22?02:35??chapter_15\img\lstm_multivariate.jpg
?????文件??????123329??2018-07-22?02:35??chapter_15\img\lstm.jpg
?????文件???????65513??2018-07-22?02:35??chapter_15\img\csv.jpg
?????文件???????74433??2018-07-22?02:35??chapter_15\img\array.jpg
?????目錄???????????0??2018-07-22?02:35??chapter_15\data\
?????文件????????7853??2018-07-22?02:35??chapter_15\data\period_trend.csv
?????文件????????7419??2018-07-22?02:35??chapter_15\data\multivariate_periods.csv

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