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The Data Wrangling Workshop

You're reading from   The Data Wrangling Workshop Create your own actionable insights using data from multiple raw sources

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Product type Paperback
Published in Jul 2020
Publisher Packt
ISBN-13 9781839215001
Length 576 pages
Edition 2nd Edition
Languages
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Authors (3):
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Dr. Tirthajyoti Sarkar Dr. Tirthajyoti Sarkar
Author Profile Icon Dr. Tirthajyoti Sarkar
Dr. Tirthajyoti Sarkar
Shubhadeep Roychowdhury Shubhadeep Roychowdhury
Author Profile Icon Shubhadeep Roychowdhury
Shubhadeep Roychowdhury
Brian Lipp Brian Lipp
Author Profile Icon Brian Lipp
Brian Lipp
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Toc

Table of Contents (11) Chapters Close

Preface
1. Introduction to Data Wrangling with Python 2. Advanced Operations on Built-In Data Structures FREE CHAPTER 3. Introduction to NumPy, Pandas, and Matplotlib 4. A Deep Dive into Data Wrangling with Python 5. Getting Comfortable with Different Kinds of Data Sources 6. Learning the Hidden Secrets of Data Wrangling 7. Advanced Web Scraping and Data Gathering 8. RDBMS and SQL 9. Applications in Business Use Cases and Conclusion of the Course Appendix

Introduction

The previous chapter covered how to create a successful data wrangling pipeline. In this chapter, we will build a web scraper that can be used by a data wrangling professional in their daily tasks using all of the techniques that we have learned so far. This chapter builds on the foundation of BeautifulSoup and introduces various methods for scraping a web page and using an API to gather data.

In today's connected world, one of the most valued and widely used skills for a data wrangling professional is the ability to extract and read data from web pages and databases hosted on the web. Most organizations host data on the cloud (public or private), and the majority of web microservices these days provide some kind of API for external users to access data. Let's take a look at the following diagram:

Figure 7.1: Data wrangling HTTP request and an XML/JSON reply

As we can see in the diagram, to fetch data from a web server or a database...

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