Text Mining with R

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  • Text Mining with R Book Detail

  • Author : Julia Silge
  • Release Date : 2017-06-12
  • Publisher : "O'Reilly Media, Inc."
  • Genre : Computers
  • Pages : 193
  • ISBN 13 : 1491981628
  • File Size : 37,37 MB

Text Mining with R by Julia Silge PDF Summary

Book Description: Chapter 7. Case Study : Comparing Twitter Archives; Getting the Data and Distribution of Tweets; Word Frequencies; Comparing Word Usage; Changes in Word Use; Favorites and Retweets; Summary; Chapter 8. Case Study : Mining NASA Metadata; How Data Is Organized at NASA; Wrangling and Tidying the Data; Some Initial Simple Exploration; Word Co-ocurrences and Correlations; Networks of Description and Title Words; Networks of Keywords; Calculating tf-idf for the Description Fields; What Is tf-idf for the Description Field Words?; Connecting Description Fields to Keywords; Topic Modeling.

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