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Python Natural Language Processing Cookbook

You're reading from   Python Natural Language Processing Cookbook Over 50 recipes to understand, analyze, and generate text for implementing language processing tasks

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Product type Paperback
Published in Mar 2021
Publisher Packt
ISBN-13 9781838987312
Length 284 pages
Edition 1st Edition
Languages
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Author (1):
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Zhenya Antić Zhenya Antić
Author Profile Icon Zhenya Antić
Zhenya Antić
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Toc

Table of Contents (10) Chapters Close

Preface 1. Chapter 1: Learning NLP Basics 2. Chapter 2: Playing with Grammar FREE CHAPTER 3. Chapter 3: Representing Text – Capturing Semantics 4. Chapter 4: Classifying Texts 5. Chapter 5: Getting Started with Information Extraction 6. Chapter 6: Topic Modeling 7. Chapter 7: Building Chatbots 8. Chapter 8: Visualizing Text Data 9. Other Books You May Enjoy

Constructing word clouds

In this recipe, we will create two word clouds. Both of them will use the text from the The Adventures of Sherlock Holmes book, and one of them will be shaped like a silhouette of Sherlock Holmes' head.

Getting ready

In order to complete this recipe, you will need to install the wordcloud package:

pip install wordcloud

How to do it…

We will define a function to that creates word clouds from text and then use it on the text of The Adventures of Sherlock Holmes:

  1. Import the necessary packages and functions:
    import os
    import nltk
    from os import path
    import matplotlib.pyplot as plt
    from wordcloud import WordCloud, STOPWORDS
    from Chapter01.dividing_into_sentences import read_text_file
    from Chapter01.removing_stopwords import compile_stopwords_list_frequency
  2. Define the create_wordcloud function:
    def create_wordcloud(text, stopwords, filename):
        wordcloud = \
        WordCloud(min_font_size...
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