能够制作两个漂亮的时序图,但是
plot.title()
没有效果。如何解决这个问题?import pandas as pd
import datetime
import matplotlib.pyplot as plt
if __name__ == '__main__':
index_data = pd.read_csv('comparison_dataset.csv')
index_data['DATE'] = pd.to_datetime(index_data['DATE'])
index_data.set_index('DATE', inplace=True)
print(index_data)
df = pd.DataFrame(index_data)
print(df)
plt.title('S&P/Case-Shiller U.S. National Home Price Index')
plt.figure()
df.plot()
plt.legend(loc = 'best')
plt.show()
#now create second data frame with level values and growth rates
df2=df
index_data['pct_change_actuals_2']=(df2.HPI_Actuals - df2.HPI_Actuals.shift(4)) / df2.HPI_Actuals;
index_data['pct_change_F_VECM']=(df2.HPI_F_VECM - df2.HPI_F_VECM.shift(4)) / df2.HPI_F_VECM;
index_data['pct_change_F_VAR']=(df2.HPI_F_VAR - df2.HPI_F_VAR.shift(4)) / df2.HPI_F_VAR;
index_data['pct_change_F_ML']=(df2.HPI_F_ML - df2.HPI_F_ML.shift(4)) / df2.HPI_F_ML;
index_data['pct_change_F_ARIMA']=(df2.HPI_F_ARIMA - df2.HPI_F_ARIMA.shift(4)) / df2.HPI_F_ARIMA;
print(df2)
df3= df2[['pct_change_actuals_2', 'pct_change_F_VECM','pct_change_F_VAR','pct_change_F_ML','pct_change_F_ARIMA']]
plt.title('S&P/Case-Shiller U.S. National Home Price Index Yearly Change')
plt.figure()
df3.plot()
plt.legend(loc = 'best')
plt.show()
df.plot()
时传递标题,像这样:df3.plot(title='S&P/Case-Shiller美国全国房价指数年度变化')
。 - mechanical_meat