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# Plotting with keywords

There are some instances where you have data in a format that lets you access particular variables with strings. For example, with `numpy.recarray` or `pandas.DataFrame`.

Matplotlib allows you provide such an object with the `data` keyword argument. If provided, then you may generate plots with the strings corresponding to these variables.

    import numpy as np
    import matplotlib.pyplot as plt
    np.random.seed(19680801)

    data = {'a': np.arange(50),
            'c': np.random.randint(0, 50, 50),
            'd': np.random.randn(50)}
    data['b'] = data['a'] + 10 * np.random.randn(50)
    data['d'] = np.abs(data['d']) * 100

    fig, ax = plt.subplots()
    ax.scatter('a', 'b', c='c', s='d', data=data)
    ax.set(xlabel='entry a', ylabel='entry b')
    plt.show()

Total running time of the script: ( 0 minutes 0.035 seconds)

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