问题描述
我创建了以下请求并且它有效。但是一分钟后,这个想法出现了,“很高兴知道 2 个项目,但为什么不要求更多的项目随后在热图和 LineChart 中实现?”。一种显示整个股票投资组合的方式。
我正在考虑围绕输入函数的循环。
但我不知道这如何处理情节。解释器从哪里知道我想在两个图中构建所有请求的数据?有什么想法吗?
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
from datetime import datetime as dt,timedelta as td
from pandas_datareader import data as pdr
#'--------------------------------------
#ZUSATZ: automatic request of online data
#--------------------------------------
startyear =2020
startmonth =1
startday = 1
datestring = dt.strftime(dt.Now(),"%d/%m/%Y")
start = dt(startyear,startmonth,startday) #Set starting time for datesample
Now = dt.Now()
**asset1 = input("Enter the stock symbol (enter 'quit' to stop):").upper()
asset2 = input("Enter the stock symbol (enter 'quit' to stop):").upper()**
points_to_plot = 300
fig = plt.figure()
fig.suptitle("Correlation " + datestring)
ax1 = fig.add_subplot(1,2,1)
ax2 = fig.add_subplot(1,2)
ax2.set_ylabel("Correaltion",fontsize = 12)
ax2.set_xlabel("Days",fontsize = 12)
#label1 = ax1.set_xticklabels(ax1.get_xticklabels(),rotation = 90,fontsize=5,alpha=0.5)
ax2.set_title(f"{asset1} & {asset2},last {points_to_plot} days",fontsize=14)
ax1.set_title(f"{asset1} & {asset2},fontsize=14)
a1 = pdr.get_data_yahoo(asset1,start,Now).reset_index()
a2 =pdr.get_data_yahoo(asset2,Now).reset_index()
a1= pd.DataFrame(a1[["Date","Adj Close"]])
a1.columns =["Date " + asset1,"Adj Close " + asset1]
a2= pd.DataFrame(a2[["Date","Adj Close"]])
a2.columns =["Date " + asset2,"Adj Close " + asset2]
asset = pd.concat([a1,a2],axis=1)
correlation_line = asset["Adj Close " + asset1].rolling(50).corr(asset["Adj Close " + asset2])[-300:].plot()
df= pd.DataFrame(asset,columns=["Adj Close "+ asset1,"Adj Close " + asset2])
print(df)
corrMatrix = df.corr()
print(corrMatrix)
sns.heatmap(corrMatrix,annot=True,ax=ax1)
plt.show()
解决方法
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