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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

Training your own embeddings model

We can now train our own word2vec model on a corpus. For this task, we will use the top 20 Project Guttenberg books, which includes The Adventures of Sherlock Holmes. The reason for this is that training a model on just one book will result in suboptimal results. Once we get more text, the results will be better.

Getting ready

You can download the dataset for this recipe from Kaggle: https://www.kaggle.com/currie32/project-gutenbergs-top-20-books. The dataset includes files in RTF format, so you will have to save them as text. We will use the same package, gensim, to train our custom model.

We will use the pickle package to save the model on disk. If you do not have it installed, install it by using pip:

pip install pickle

How to do it…

We will read in all 20 books and use the text to create a word2vec model. Make sure all the books are located in one directory. Let's get started:

  1. Import the necessary packages...
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