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[英]How can I plot two different spaced time series on one same plot in Python
[英]How to plot two time series data with different time frequency on same axis in python?
我希望这是你想要的
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
# Made up Stock price data
stock_price = np.random.random_sample(size=100)*20+np.exp(0.05*np.arange(100))
stock_price_df = pd.DataFrame({'dates':pd.date_range(start='1/1/2018', end='1/08/2023',periods=len(stock_price)), 'stock price':stock_price})
stock_price_df = stock_price_df.set_index('dates')
# Made up revenue data
revenue = np.random.random_sample(size=100)*20+np.exp(0.02*np.arange(100))
revenue_df= pd.DataFrame({'dates':pd.date_range(start='1/1/2018', end='1/08/2023',periods=len(revenue)), 'revenue': revenue})
revenue_df = revenue_df.set_index('dates')
revenue_df_agg = revenue_df.resample('Y').mean().reset_index()
# Plot two of them together
fig, ax = plt.subplots()
ax.bar(pd.to_datetime(revenue_df_agg['dates'].dt.year, format='%Y'), revenue_df_agg['revenue'], width=200)
ax.set_ylabel('Revenue')
ax1 = ax.twinx()
s = stock_price_df['stock price'].plot(ax = ax1, style = '-r')
ax1.set_ylabel('Stock price')
ax1.yaxis.label.set_color('r')
ax1.yaxis.label.set_color('r')
ax1.tick_params(axis='y', colors='r')
plt.savefig('collage-2.png')
plt.show()
结果是
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