Munzert, Simon Rubba, Christian Meissner, Peter Nyhuis, Dominic

Automated data collection with R: A practical guide to web scraping and text mining - New Jersey: Wiley Data and Cybersecurity, 2015. - xv, 449p.

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.

9781118834787


XML and JSON
XPath, HTTP and AJAX
SQL and Relational Databases

005.55