How to get a legend for a graph using Python/matplotlib [duplicate]

Question

I am testing a graph and everything except the legend works. I've run the code below without the label found in the plt.plot but I still don't get a legend returned. Can anyone see why?

plt.figure(figsize=(8,5))

 
plt.title('Test Graph', fontdict={'fontweight':'bold', 'fontsize': 24})


plt.plot(excl.Date, excl.Pop2020, 'g.-', label = 'test')

plt.xticks(excl.Date[::4])

plt.xlabel('Date')
plt.ylabel('Pop')

plt.legend

plt.savefig('testpic.png', dpi = 300)

plt.show()

plt.legend() maybe?

E. Gertz
– E. Gertz

2020-12-28 19:12:08 +00:00
Commented Dec 28, 2020 at 19:12 — E. Gertz
– E. Gertz, Commented Dec 28, 2020 at 19:12

MaxPowers · Accepted Answer · 2020-12-28 19:16:04Z

0

In you example, you forgot the () at the end end of the function call to legend. Additionally, I would suggest to use the matplotlib's object-oriented API:

import numpy as np
import matplotlib.pyplot as plt

x = np.random.rand(100)

fig, ax = plt.subplots(1)
ax.plot(x, 'g.-', label='test')
ax.legend()

For further information on how legend works, visit the documentation.

answered Dec 28, 2020 at 19:16

MaxPowers

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