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

Preis:	60.30 EUR* (inkl. MWST zzgl. Versand - Preis kann jetzt höher sein!)
Versand:	0.00 EUR Versandkostenfrei innerhalb von Deutschland
Partner:	buecher.de
Hersteller:	Wiley & Sons (Munzert, Simon; Rubba, Christian; Meißner, Peter; Nyhuis, Dominic)
Stand:	2015-08-04 03:50:33

Produktbeschreibung

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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