LSTM预测股票数据---数据预处理

# 导入相应的模块
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import tensorflow as tf

# 获取训练集
def get_train_data(data,batch_size = 60 ,time_step = 20,train_begin = 0,train_end = 5800):
	batch_index = []
	data_train = data[train_begin:train_end]
	normalized_train_data = (data_train - np.mean(data_train,axis = 0)/np.std(data_train,axis =