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How to plot a time as an index value in a Pandas dataframe in Matplotlib?
To plot a time as an index value in a Pandas dataframe in matplotlib, we can take the following steps
Steps
Set the figure size and adjust the padding between and around the subplots.
Create a Pandas dataframe with two columns, time and speed.
Set the DataFrame index using existing columns.
To display the figure, use Show() method.
Example
from matplotlib import pyplot as plt
import pandas as pd
import numpy as np
# Set the figure size
plt.rcParams["figure.figsize"] = [7.00, 3.50]
plt.rcParams["figure.autolayout"] = True
# Pandas dataframe
df = pd.DataFrame(dict(time=list(pd.date_range("2021-01-01 12:00:00", periods=10)), speed=np.linspace(1, 10, 10)))
# Set the dataframe index
df.set_index('time').plot()
# Display the plot
plt.show()Output
It will produce the following output −
Updated on: 19-Oct-2021
2K+ Views
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