Data & IT
Automated Data Collection with R
Simon Munzert • Christian Rubba • Peter Meißner • Dominic Nyhuis
Inbunden
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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 presentedto 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 solutionsto exercises featuredin the book are provided ona supporting website.
- Format: Inbunden
- ISBN: 9781118834817
- Språk: Engelska
- Antal sidor: 480
- Utgivningsdatum: 2014-12-26
- Förlag: John Wiley & Sons Inc