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How to center labels in a Matplotlib histogram plot?
To place the labels at the center in a histogram plot, we can calculate the mid-point of each patch and place the ticklabels accordinly using xticks() method.
Steps
Set the figure size and adjust the padding between and around the subplots.
Create a random standard sample data, x.
Initialize a variable for number of bins.
Use hist() method to make a histogram plot.
Calculate the list of ticks at the center of each patch.
Make a list of tickslabels.
Use xticks() method to place xticks and labels.
To display the figure, use show() method.
Example
import numpy as np from matplotlib import pyplot as plt plt.rcParams["figure.figsize"] = [7.50, 3.50] plt.rcParams["figure.autolayout"] = True x = np.random.randn(1000) n_bins = 10 n, bins, patches = plt.hist(x, bins=n_bins, edgecolor='black') ticks = [(patch._x0 + patch._x1)/2 for patch in patches] ticklabels = [i for i in range(n_bins)] plt.xticks(ticks, ticklabels) plt.show()
Output
Updated on: 01-Jun-2021
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