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# Natural Language Toolkit: Wordfreq Application
#
# Copyright (C) 2001-2023 NLTK Project
# Author: Sumukh Ghodke <[email protected]>
# URL: <https://www.nltk.org/>
# For license information, see LICENSE.TXT
from matplotlib import pylab
from nltk.corpus import gutenberg
from nltk.text import Text
def plot_word_freq_dist(text):
fd = text.vocab()
samples = [item for item, _ in fd.most_common(50)]
values = [fd[sample] for sample in samples]
values = [sum(values[: i + 1]) * 100.0 / fd.N() for i in range(len(values))]
pylab.title(text.name)
pylab.xlabel("Samples")
pylab.ylabel("Cumulative Percentage")
pylab.plot(values)
pylab.xticks(range(len(samples)), [str(s) for s in samples], rotation=90)
pylab.show()
def app():
t1 = Text(gutenberg.words("melville-moby_dick.txt"))
plot_word_freq_dist(t1)
if __name__ == "__main__":
app()
__all__ = ["app"]
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