Automated Data Collection with R

Automated Data Collection with R

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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.We start with a short example of an XML file. The XML code in Figure 3.1 provides a sample of three James Bond movies, along with some basic information. Probably the most distinctive feature of XML code is that human readers have noanbsp;...

Title:Automated Data Collection with R
Author:Simon Munzert, Christian Rubba, Peter Meißner, Dominic Nyhuis
Publisher:John Wiley & Sons - 2014-10-24


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