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4.4: Most Common Words

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  • To find the most common words, we can apply the DSU pattern; most_common takes a histogram and returns a list of word-frequency tuples, sorted in reverse order by frequency:

    def most_common(hist):
        t = []
        for key, value in hist.items():
            t.append((value, key))
        return t

    Here is a loop that prints the ten most common words:

    t = most_common(hist)
    print 'The most common words are:'
    for freq, word in t[0:10]:
        print word, '\t', freq

    And here are the results from Emma:

    The most common words are:
    to  5242
    the  5205
    and  4897
    of  4295
    i  3191
    a  3130
    it  2529
    her  2483
    was  2400
    she  2364
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