Make a multiline plot from .CSV file in matplotlib

To make a multiline plot from .CSV file in matplotlib, we can take the following steps −

• Set the figure size and adjust the padding between and around the subplots.
• Create a list of columns to fetch the data from a .CSV file. Make sure the names match with the column names used in the .CSV file.
• Read the data from the .CSV file.
• Plot the lines using df.plot() method.
• To display the figure, use show() method.

Example

import pandas as pd from matplotlib import pyplot as plt # Set the figure size plt.rcParams["figure.figsize"] = [7.00, 3.50] plt.rcParams["figure.autolayout"] = True # Make a list of columns columns = ['mpg', 'displ', 'hp', 'weight'] # Read a CSV file df = pd.read_csv("auto-mpg.csv", usecols=columns) # Plot the lines df.plot() plt.show()

Output

It will produce the following output