.. 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_histtypes.py:
================================================================
Demo of the histogram function's different ``histtype`` settings
================================================================
* Histogram with step curve that has a color fill.
* Histogram with step curve with no fill.
* Histogram with custom and unequal bin widths.
* Two histograms with stacked bars.
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
.. code-block:: default
import numpy as np
import matplotlib.pyplot as plt
np.random.seed(19680801)
mu_x = 200
sigma_x = 25
x = np.random.normal(mu_x, sigma_x, size=100)
mu_w = 200
sigma_w = 10
w = np.random.normal(mu_w, sigma_w, size=100)
fig, axs = plt.subplots(nrows=2, ncols=2)
axs[0, 0].hist(x, 20, density=True, histtype='stepfilled', facecolor='g',
alpha=0.75)
axs[0, 0].set_title('stepfilled')
axs[0, 1].hist(x, 20, density=True, histtype='step', facecolor='g',
alpha=0.75)
axs[0, 1].set_title('step')
axs[1, 0].hist(x, density=True, histtype='barstacked', rwidth=0.8)
axs[1, 0].hist(w, density=True, histtype='barstacked', rwidth=0.8)
axs[1, 0].set_title('barstacked')
# Create a histogram by providing the bin edges (unequally spaced).
bins = [100, 150, 180, 195, 205, 220, 250, 300]
axs[1, 1].hist(x, bins, density=True, histtype='bar', rwidth=0.8)
axs[1, 1].set_title('bar, unequal bins')
fig.tight_layout()
plt.show()
.. image:: /gallery/statistics/images/sphx_glr_histogram_histtypes_001.png
:alt: stepfilled, step, barstacked, bar, unequal bins
:class: sphx-glr-single-img
------------
References
""""""""""
The use of the following functions and methods is shown in this example:
.. code-block:: default
import matplotlib
matplotlib.axes.Axes.hist
matplotlib.pyplot.hist
.. rst-class:: sphx-glr-script-out
Out:
.. code-block:: none
.. _sphx_glr_download_gallery_statistics_histogram_histtypes.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_histtypes.py `
.. container:: sphx-glr-download sphx-glr-download-jupyter
:download:`Download Jupyter notebook: histogram_histtypes.ipynb `
.. only:: html
.. rst-class:: sphx-glr-signature
Keywords: matplotlib code example, codex, python plot, pyplot
`Gallery generated by Sphinx-Gallery
`_