Výsledky vyhľadávania - "Automated Data Collection with R: A Practical Guide to Web Scraping AND Text Mining~"

Automated data collection with R: a practical guide to web scraping and text mining Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…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…”
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Automated Data Collection with R - A Practical Guide to Web Scraping and Text Mining Autor Iacus, Stefano M.

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SIMON MUNZERT, CHRISTIAN RUBBA, PETER MEISSNER, and DOMINIC NYHUIS. Automated Data Collection with R: A Practical Guide to Web Scraping and Text Mining. Hoboken: Wiley Autor Selig, Katharina

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Automated Data Collection with R: A Practical Guide to Web Scraping and Text Mining Autor Selig, Katharina

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Introduction Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…This introductory chapter presents a case study of world heritage sites in danger. The United Nations Educational, Scientific and Cultural Organization…”
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References Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

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Regular Expressions and Essential String Functions Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…One of the central tasks in web scraping is to collect the relevant information for the research problem from heaps of textual data. Within the unstructured…”
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Mapping the Geographic Distribution of Names Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…This chapter briefly introduces the visualization of geographic data in R. This can be a difficult task, and if the data do not match the specifications of the…”
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Statistical Text Processing Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…This chapter offers a brief introduction to statistical text processing. The Internet is predominantly a vast collection of more or less unclassified text. In…”
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Managing Data Projects Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…Deploying a successful data collection project requires more than knowledge of web technologies. This chapter focuses on R and operation system functionality…”
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Scraping the Web Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…This chapter addresses three main aspects of web scraping with R. The first is how to retrieve data from the Web in different scenarios. The chapter looks at…”
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XML and JSON Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…This chapter begins by looking at a running eXtensible Markup Language (XML) example, and continues with an inspection of the XML syntax. There are several…”
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Predicting the 2014 Academy Awards Using Twitter Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…Social media and the social network Twitter, in particular, have attracted the curiosity of scientists from various disciplines. The fact that millions of…”
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HTML Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…This chapter introduces the fundamentals of Hyper Text Markup Language (HTML) from the perspective of a web data collector. One can learn how to use browsers…”
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AJAX Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…This chapter introduces Asynchronous JavaScript and eXtensible Markup Language (XML) (AJAX) technologies that turn static into dynamic hyper text markup…”
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Parsing Information from Semistructured Documents Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…This chapter demonstrates how to construct a parser that is able to transform pure character data into R data structures. As an example one identifies climate…”
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SQL and Relational Databases Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…This chapter describes databases, structured query language (SQL), and several R packages that enable to connect to databases and to access the data stored in…”
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XPath Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…This chapter presents a broad introduction to the eXtensible Markup Language (XML) Path (XPath) language for querying XML documents. It helps to build an…”
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Analyzing Sentiments of Product Reviews Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…This chapter investigates whether we can make use of the product reviews to estimate the consumer ratings. The authors investigate whether they can estimate…”
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Gathering Data on Mobile Phones Autor Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“…This chapter discusses the case studies of gathering data on pricing, costumer rating, and sales ranks of a broad range of mobile phones sold on amazon.com,…”
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