Python Data Cleaning Cookbook - Second Edition
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Python Data Cleaning Cookbook - Second Edition

Prepare your data for analysis with pandas, NumPy, Matplotlib, scikit-learn, and OpenAI

About the Book

Jumping into data analysis without proper data cleaning will certainly lead to incorrect results. The Python Data Cleaning Cookbook - Second Edition will show you tools and techniques for cleaning and handling data with Python for better outcomes.

Fully updated to the latest version of Python and all relevant tools, this book will teach you how to manipulate and clean data to get it into a useful form. he current edition focuses on advanced techniques like machine learning and AI-specific approaches and tools for data cleaning along with the conventional ones. The book also delves into tips and techniques to process and clean data for ML, AI, and NLP models. You will learn how to filter and summarize data to gain insights and better understand what makes sense and what does not, along with discovering how to operate on data to address the issues you've identified. Next, you’ll cover recipes for using supervised learning and Naive Bayes analysis to identify unexpected values and classification errors and generate visualizations for exploratory data analysis (EDA) to identify unexpected values. Finally, you’ll build functions and classes that you can reuse without modification when you have new data.

By the end of this Data Cleaning book, you'll know how to clean data and diagnose problems within it.

About the Author

Packt Publishing Ltd
Packt Publishing Ltd

Packt Publishing are an established global technical learning content provider, founded in Birmingham, UK with over twenty years’ experience in delivering premium rich content from ground-breaking authors on a wide range of emerging and popular technologies. Our titles have global relevance our multimedia portfolio includes over 9,000 books, e-books, audiobooks and video courses. www.packtpub.com

Table of Contents

  1. Anticipating Data Cleaning Issues When Importing Tabular Data with pandas
  2. Anticipating Data Cleaning Issues When Working with HTML, JSON, and Spark Data
  3. Taking the Measure of Your Data
  4. Identifying Outliers in Subsets of Data
  5. Using Visualizations for the Identification of Unexpected Values
  6. Cleaning and Exploring Data with Series Operations
  7. Identifying and Fixing Missing Values
  8. Encoding, Transforming, and Scaling Features
  9. Fixing Messy Data When Aggregating
  10. Addressing Data Issues When Combining DataFrames
  11. Tidying and Reshaping Data
  12. Automate Data Cleaning with User-Defined Functions, Classes, and Pipelines

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