CHAPT. 4 – When products are depicted by comments

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“…don’t lose hope in statistics: it’s still possible to analyze systematically such data using, amongst other methods, Correspondence Analysis (CA) based strategies. Due to the intrinsic heterogeneity of the data, a long and tedious recoding phase is necessary. Once done, a description of the products by the words and a representation of the product space can be obtained using respectively the textual function, the descfreq function, and the CA function of the FactoMineR package.


Download the database file(s)

 

  perfumes_comments.csv
  perfumes_comments_sim.csv
  rorschach France.csv
  rorschach Asia.csv


Exercises – database file(s) and corrections

 

Chapter 4.zip


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