.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "gallery/statistics/histogram_multihist.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. note:: :class: sphx-glr-download-link-note Click :ref:`here ` to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_gallery_statistics_histogram_multihist.py: ===================================================== The histogram (hist) function with multiple data sets ===================================================== Plot histogram with multiple sample sets and demonstrate: * Use of legend with multiple sample sets * Stacked bars * Step curve with no fill * Data sets of different sample sizes Selecting different bin counts and sizes can significantly affect the shape of a histogram. The Astropy docs have a great section on how to select these parameters: http://docs.astropy.org/en/stable/visualization/histogram.html .. GENERATED FROM PYTHON SOURCE LINES 18-47 .. image:: /gallery/statistics/images/sphx_glr_histogram_multihist_001.png :alt: bars with legend, stacked bar, stack step (unfilled), different sample sizes :class: sphx-glr-single-img .. code-block:: default import numpy as np import matplotlib.pyplot as plt np.random.seed(19680801) n_bins = 10 x = np.random.randn(1000, 3) fig, ((ax0, ax1), (ax2, ax3)) = plt.subplots(nrows=2, ncols=2) colors = ['red', 'tan', 'lime'] ax0.hist(x, n_bins, density=True, histtype='bar', color=colors, label=colors) ax0.legend(prop={'size': 10}) ax0.set_title('bars with legend') ax1.hist(x, n_bins, density=True, histtype='bar', stacked=True) ax1.set_title('stacked bar') ax2.hist(x, n_bins, histtype='step', stacked=True, fill=False) ax2.set_title('stack step (unfilled)') # Make a multiple-histogram of data-sets with different length. x_multi = [np.random.randn(n) for n in [10000, 5000, 2000]] ax3.hist(x_multi, n_bins, histtype='bar') ax3.set_title('different sample sizes') fig.tight_layout() plt.show() .. _sphx_glr_download_gallery_statistics_histogram_multihist.py: .. only :: html .. container:: sphx-glr-footer :class: sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: histogram_multihist.py ` .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: histogram_multihist.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_