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Data Engineering with Python

You're reading from   Data Engineering with Python Work with massive datasets to design data models and automate data pipelines using Python

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Product type Paperback
Published in Oct 2020
Publisher Packt
ISBN-13 9781839214189
Length 356 pages
Edition 1st Edition
Languages
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Author (1):
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Paul Crickard Paul Crickard
Author Profile Icon Paul Crickard
Paul Crickard
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Table of Contents (21) Chapters Close

Preface 1. Section 1: Building Data Pipelines – Extract Transform, and Load
2. Chapter 1: What is Data Engineering? FREE CHAPTER 3. Chapter 2: Building Our Data Engineering Infrastructure 4. Chapter 3: Reading and Writing Files 5. Chapter 4: Working with Databases 6. Chapter 5: Cleaning, Transforming, and Enriching Data 7. Chapter 6: Building a 311 Data Pipeline 8. Section 2:Deploying Data Pipelines in Production
9. Chapter 7: Features of a Production Pipeline 10. Chapter 8: Version Control with the NiFi Registry 11. Chapter 9: Monitoring Data Pipelines 12. Chapter 10: Deploying Data Pipelines 13. Chapter 11: Building a Production Data Pipeline 14. Section 3:Beyond Batch – Building Real-Time Data Pipelines
15. Chapter 12: Building a Kafka Cluster 16. Chapter 13: Streaming Data with Apache Kafka 17. Chapter 14: Data Processing with Apache Spark 18. Chapter 15: Real-Time Edge Data with MiNiFi, Kafka, and Spark 19. Other Books You May Enjoy Appendix

Handling common data issues using pandas

Your data may feel special, it is unique, you have created the world's best systems for collecting it, and you have done everything you can to ensure it is clean and accurate. Congratulations! But your data will almost certainly have some problems, and these problems are not special, or unique, and are probably a result of your systems or data entry. The e-scooter dataset is collected using GPS with little to no human input, yet there are end locations that are missing. How is it possible that a scooter was rented, ridden, and stopped, yet the data doesn't know where it stopped? Seems strange, yet here we are. In this section, you will learn how to deal with common data problems using the e-scooter dataset.

Drop rows and columns

Before you modify any fields in your data, you should first decide whether you are going to use all the fields. Looking at the e-scooter data, there is a field named region_id. This field is a code used...

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