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Comments on How to add vertical lines for visual separation in pandas plot
Parent
How to add vertical lines for visual separation in pandas plot
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MWE
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
df = pd.DataFrame(np.random.rand(9, 4), columns=['a', 'b', 'c', 'd'])
df.plot.bar()
plt.show()
Question
How do I add separating vertical lines between groups? Say these are
groups of three:
(0, 1, 2), LINE, (3, 4, 5), LINE, (6, 7, 8)
Notes
This really helps for recognizing patterns and tracking trends in a busy, but useful graph.
Post
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Works for me
The following users marked this post as Works for me:
| User | Comment | Date |
|---|---|---|
| mcp | (no comment) | Jul 26, 2022 at 21:39 |
One possibility with axvline:
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
df = pd.DataFrame(np.random.rand(9, 4), columns=['a', 'b', 'c', 'd'])
df.plot.bar()
plt.axvline(x=2.5, ymin=0, ymax=1)
plt.axvline(x=5.5, ymin=0, ymax=1)
plt.show()
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