【深度学习】基于LSTM时间序列的股票价格预测_myaijarvis的博客-CSDN博客_lstm预测股价
股票数据
链接：https://pan.baidu.com/s/1rUFUOTPV9JzwZwiIUFtyXw?pwd=1166?
提取码：1166?
--来自百度网盘超级会员V8的分享
000001SZ_10Y.csv
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import numpy as np
import tushare as t1
import pandas as pd
import matplotlib.pyplot as plt
from sklearn.preprocessing import StandardScaler
from keras.models import Sequential
from keras.layers import Dense, LSTM, Dropout, GRU
from tensorflow.keras.optimizers import SGD # 可以忽略警告错误
#st=StandardScaler()
#t1.set_token('8fa17c450ce70d9d2997013997afaf7502c643095e3f3ebfe1c31525')
#ts = t1.pro_api()
def data_set(dataset, lookback):
"""
:param dataset: ndarray
:param lookback: 单个序列的长度
:return:
"""
dataX, dataY = [], []
for i in range(0, len(dataset) - lookback - 1):
temp = dataset[i: i + lookback] # 前 lookback步
dataX.append(temp)
dataY.append(dataset[i + lookback]) # 第 lookback步
return np.array(dataX), np.array(dataY)
def plot_predictions(test_result, predict_restult):
"""
test_result: 真实值
predict_result: 预测值
"""
plt.plot(test_result, color='red', label='test')
plt.plot(predict_restult, color='blue', label="prdict")
plt.xlabel("Time")
plt.ylabel("Close Price")
plt.legend() # 给图加上图例
plt.show()
# Press the green button in the gutter to run the script.
if __name__ == '__main__':
data = pd.read_csv('000001SZ_10Y.CSV')
df = pd.DataFrame(data,columns=['trade_date','close'])
df.head(5)
print(df)
plt.plot(df['trade_date'], df['close'])
plt.show()
dataset = df["close"].values
print(dataset)
dataset_st = st.fit_transform(X=dataset.reshape(-1, 1))
print(dataset_st)
print(dataset_st.shape)
train_size = int(len(dataset_st) * 0.7)
test_size = int(len(dataset_st)) - train_size
print(train_size)
print(test_size)
train, test = dataset_st[0:train_size], dataset_st[train_size:]
print(train.shape)
lookback = 2
trainX, trainY = data_set(train, lookback)
testX, testY = data_set(test, lookback)
print(trainX.shape)
print(trainY.shape)
print(testX.shape)
model = Sequential()
# LSTM 第一层
model.add(LSTM(128, return_sequences=True, # 是返回输出序列中的最后一个输出，还是全部序列True。
input_shape=(trainX.shape[1], 1))) # (sequence_length, features)
model.add(Dropout(0.2))
# LSTM 第二层
model.add(LSTM(128, return_sequences=True))
model.add(Dropout(0.2))
# LSTM 第三层
model.add(LSTM(128))
model.add(Dropout(0.2))
# Dense层
model.add(Dense(units=1))
# 模型编译
model.compile(optimizer='rmsprop', loss='mse')
# 模型训练
model.fit(trainX, trainY, epochs=20, batch_size=32)
pred_st = model.predict(testX)
pred = st.inverse_transform(pred_st) # 进行反归一化
testY2 = st.inverse_transform(testY) # 进行反归一化 因为前面进行了归一化
plot_predictions(testY2, pred) # 画出图像
# See PyCharm help at https://www.jetbrains.com/help/pycharm/
