.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "gallery/lines_bars_and_markers/barchart.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. meta:: :keywords: codex .. note:: :class: sphx-glr-download-link-note :ref:`Go to the end ` to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_gallery_lines_bars_and_markers_barchart.py: ============================= Grouped bar chart with labels ============================= This example shows a how to create a grouped bar chart and how to annotate bars with labels. .. GENERATED FROM PYTHON SOURCE LINES 9-43 .. code-block:: Python # data from https://allisonhorst.github.io/palmerpenguins/ import matplotlib.pyplot as plt import numpy as np species = ("Adelie", "Chinstrap", "Gentoo") penguin_means = { 'Bill Depth': (18.35, 18.43, 14.98), 'Bill Length': (38.79, 48.83, 47.50), 'Flipper Length': (189.95, 195.82, 217.19), } x = np.arange(len(species)) # the label locations width = 0.25 # the width of the bars multiplier = 0 fig, ax = plt.subplots(layout='constrained') for attribute, measurement in penguin_means.items(): offset = width * multiplier rects = ax.bar(x + offset, measurement, width, label=attribute) ax.bar_label(rects, padding=3) multiplier += 1 # Add some text for labels, title and custom x-axis tick labels, etc. ax.set_ylabel('Length (mm)') ax.set_title('Penguin attributes by species') ax.set_xticks(x + width, species) ax.legend(loc='upper left', ncols=3) ax.set_ylim(0, 250) plt.show() .. image-sg:: /gallery/lines_bars_and_markers/images/sphx_glr_barchart_001.png :alt: Penguin attributes by species :srcset: /gallery/lines_bars_and_markers/images/sphx_glr_barchart_001.png, /gallery/lines_bars_and_markers/images/sphx_glr_barchart_001_2_00x.png 2.00x :class: sphx-glr-single-img .. GENERATED FROM PYTHON SOURCE LINES 44-51 .. admonition:: References The use of the following functions, methods, classes and modules is shown in this example: - `matplotlib.axes.Axes.bar` / `matplotlib.pyplot.bar` - `matplotlib.axes.Axes.bar_label` / `matplotlib.pyplot.bar_label` .. _sphx_glr_download_gallery_lines_bars_and_markers_barchart.py: .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: barchart.ipynb ` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: barchart.py ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_