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Python Machine Learning Cookbook

You're reading from   Python Machine Learning Cookbook Over 100 recipes to progress from smart data analytics to deep learning using real-world datasets

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Product type Paperback
Published in Mar 2019
Publisher Packt
ISBN-13 9781789808452
Length 642 pages
Edition 2nd Edition
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Authors (2):
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Giuseppe Ciaburro Giuseppe Ciaburro
Author Profile Icon Giuseppe Ciaburro
Giuseppe Ciaburro
Prateek Joshi Prateek Joshi
Author Profile Icon Prateek Joshi
Prateek Joshi
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Toc

Table of Contents (18) Chapters Close

Preface 1. The Realm of Supervised Learning FREE CHAPTER 2. Constructing a Classifier 3. Predictive Modeling 4. Clustering with Unsupervised Learning 5. Visualizing Data 6. Building Recommendation Engines 7. Analyzing Text Data 8. Speech Recognition 9. Dissecting Time Series and Sequential Data 10. Analyzing Image Content 11. Biometric Face Recognition 12. Reinforcement Learning Techniques 13. Deep Neural Networks 14. Unsupervised Representation Learning 15. Automated Machine Learning and Transfer Learning 16. Unlocking Production Issues 17. Other Books You May Enjoy

Handling unstructured data

So far, we have highlighted the importance of input data in the creation of a model based on automatic learning. In particular, we have seen how important it is to adequately process this data before providing it in our algorithm. Another challenge that we must face before starting our production work is to learn how to deal with unstructured data. By unstructured data, we mean data that is stored without any scheme. An example is files containing text that has been produced by one of the most popular text editing software or a multimedia file, but this unstructured data could also take the form of emails, PDFs, and so on. Unstructured data differs from databases due to the fact that they may have irregularities that do not allow you to catalog or store them in a particular process.

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