.. _frontpage-plot_histogram:

frontpage example code: plot_histogram.py
=========================================

[`source code <plot_histogram.py>`_]

::

    """
    ===========================
    Frontpage histogram example
    ===========================
    
    This example reproduces the frontpage histogram example.
    """
    
    import matplotlib.pyplot as plt
    import numpy as np
    
    
    random_state = np.random.RandomState(19680801)
    X = random_state.randn(10000)
    
    fig, ax = plt.subplots()
    ax.hist(X, bins=25, normed=True)
    x = np.linspace(-5, 5, 1000)
    ax.plot(x, 1 / np.sqrt(2*np.pi) * np.exp(-(x**2)/2), linewidth=4)
    ax.set_xticks([])
    ax.set_yticks([])
    fig.savefig("histogram_frontpage.png", dpi=25)  # results in 160x120 px image
    

Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)