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)


  rorschach France.csv
  rorschach Asia.csv

Exercises – database file(s) and corrections



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