平时作业

Signed-off-by: 吴沂钊 <13190667+Yizhao_Wu4926@user.noreply.gitee.com>

购物评论 情感分类/苹果股价/新建 文本文档.txt

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+import matplotlib
+import pandas as pd
+from datetime import datetime
+from matplotlib import pyplot as plt
+plt.rcParams['axes.unicode_minus']=False
+plt.rcParams['font.sans-serif']='SimHei'
+matplotlib.style.use('ggplot')
+data_trading_hour=pd.read_csv("aapl-trading-hour.csv")
+data_trading_hour["Close"].plot()
+plt.title('股价走势(每秒盘收价)')
+plt.show()
+change=data_trading_hour["Close"].diff()/data_trading_hour["Close"]
+change.plot()
+plt.title('秒级收盘价变化率')
+plt.show() 
+print(change.shift(1).corr(change))
+print(change.shift(2).corr(change))