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Automated Data Collection with R

Autor Simon Munzert, Christian Rubba, Peter Meißner, Dominic Nyhuis
en Limba Engleză Hardback – 20 ian 2015
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.
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Specificații

ISBN-13: 9781118834817
ISBN-10: 111883481X
Pagini: 480
Dimensiuni: 174 x 251 x 30 mm
Greutate: 0.87 kg
Editura: Wiley
Locul publicării:Chichester, United Kingdom

Public țintă

Political and social scientists, industry analysts and data journalists as well as phD students of data mining and computational social science. GR, Tier 2