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Automated Data Collection with R: A Practical Guide to Web Scraping and Text Mining
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Beschreibung
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. von Munzert, Simon;Rubba, Christian;Meißner, Peter;
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Über den Autor
- Hardcover -
- Erschienen 2005
- Oldenbourg Wissenschaftsverlag
- Hardcover -
- Erschienen 1995
- Oldenbourg Wissensch.Vlg
- Hardcover
- 768 Seiten
- Erschienen 2021
- Cengage Learning EMEA