剧情简介：A hands on guide to web scraping and text mining for bothbeginners and experienced users of R (1)Introduces fundamental concepts of the main architecture of theweb and databases and covers HTTP, HTML, XML, JSON, SQL. (2)Provides basic techniques to query web documents and data sets(XPath and regular expressions). (3)An extensive set of exercises are presented to guide thereader...(展开全部)
作者：Simon Munzert
出版社：Wiley
ISBN：9781118834817
