Suchergebnisse - "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 von 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 von 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 von Selig, Katharina

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

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

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Regular Expressions and Essential String Functions von 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 von 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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HTML von 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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Predicting the 2014 Academy Awards Using Twitter von 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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HTTP von Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“… The chapter starts with an introduction to client–server conversation. It discusses the technical details of Hypertext Transfer Protocol (HTTP). The chapter …”
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Managing Data Projects von 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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AJAX von 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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Analyzing Sentiments of Product Reviews von 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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Parsing Information from Semistructured Documents von 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 von 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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Scraping the Web von 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 von 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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Collaboration Networks in the US Senate von Munzert, Simon, Rubba, Christian, Meißner, Peter, Nyhuis, Dominic

“… The inner workings of legislatures are inherently difficult to investigate. Political scientists have been interested in collaborations among parliamentarians …”
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Gathering Data on Mobile Phones von 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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