quotes.py 文件源码

def plot_word_frequencies(freq, user):
        samples = [item for item, _ in freq.most_common(50)]

        freqs = np.array([float(freq[sample]) for sample in samples])
        freqs /= np.max(freqs)

        ylabel = "Normalized word count"

        pylab.grid(True, color="silver")
        kwargs = dict()
        kwargs["linewidth"] = 2
        kwargs["label"] = user
        pylab.plot(freqs, **kwargs)
        pylab.xticks(range(len(samples)), [nltk.compat.text_type(s) for s in samples], rotation=90)
        pylab.xlabel("Samples")
        pylab.ylabel(ylabel)
        pylab.gca().set_yscale('log', basey=2)