Automated Data Collection With R A Practical Guide to Web Scraping and Text Mining

A hands on guide to web scraping and text mining for both beginners and experienced users of R Introduces fundamental concepts of the main architecture of the web and databases and covers HTTP, HTML, XML, JSON, SQL. Provides basic techniques to query web documents and data sets (XPath and regular expressions). An extensive set of exercises are presented to guide the reader through each technique. Explores both supervised and unsupervised techniques as well as advanced techniques such as data scraping and text management. Case studies are featured throughout along with examples for each technique presented. R code and solutions to exercises featured in the book are provided on a supporting website.

ISBN:	9781118834817
Publisher:	Wiley
Imprint:	John Wiley & Sons, Inc.
Published date:	26 Dec 2014
DEWEY:	006.312
DEWEY edition:	23
Language:	English
Number of pages:	xxii, 452
Weight:	866g
Height:	180mm
Width:	251mm
Spine width:	29mm

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