Im new in this Pandas and Matplotlib, I follow an example from a book and apparently it give me a warning
"MatplotlibDeprecationWarning: The epoch2num function was deprecated in Matplotlib 3.3 and will be removed two minor releases later. base = dates.epoch2num(dt.asi8 / 1.0e9)"
and the X value of axis change from years to some random numbers
import matplotlib.pyplot as plt
from pandas_datareader import data
AMZ = data.DataReader('AMZN', start='2011', end='2018', data_source='yahoo')
AMZ = AMZ['Close']
AMZ.plot()
AMZ.resample('BA').mean().plot(style=':')
AMZ.asfreq('BA').plot(style='--')
plt.show()
This was caused by a temporary bad interaction between Matplotlib and Pandas and is fixed in both projects.
To work around until the new versions are available:
plt.rcParams['date.epoch'] = '0000-12-31'
I ran your code and the axis shows the correct years. The problem is not coming from the code you posted here.
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