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PRACTICAL WEB SCRAPING FOR DATA SCIENCE IBD

APRESS
04 / 2018
9781484235836
Inglés

Sinopsis

This book provides a complete and modern guide to web scraping, using Python as the programming language, without glossing over important details or best practices. Written with a data science audience in mind, the book explores both scraping and the larger context of web technologies in which it operates, to ensure full understanding. The authors recommend web scraping as a powerful tool for any data scientistâÇÖs arsenal, as many data science projects start by obtaining an appropriate data set.Starting with a brief overview on scraping and real-life use cases, the authors explore the core concepts of HTTP, HTML, and CSS to provide a solid foundation. Along with a quick Python primer, they cover Selenium for JavaScript-heavy sites, and web crawling in detail. The book finishes with a recap of best practices and a collection of examples that bring together everything youâÇÖve learned and illustrate various data science use cases. What YouâÇÖll LearnLeverage well-established best practices and commonly-used Python packages Handle todayâÇÖs web, including JavaScript, cookies, and common web scraping mitigation techniques Understand the managerial and legal concerns regarding web scrapingWho This Book is ForA data science oriented audience that is probably already familiar with Python or another programming language or analyticalátoolkit (R, SAS, SPSS, etc). Students or instructors in university courses may also benefit. Readers unfamiliar with Python will appreciate aáquick Python primer in chapter 1 toácatch up with the basics and provide pointers to other guides as well.