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Automated Data Collection with R
  • Bandtyp: Inbunden
  • Språk: Engelska
  • Utgiven: 201412
  • Antal sidor: 474
  • Vikt i gram: 960
  • ISBN10:111883481X
  • ISBN13:9781118834817

Automated Data Collection with R

(Inbunden)
Beskrivning:

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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