Processing the answers from raw to clean data

Definition of a stoplist, which includes words that are considered meaningless or irrelevant in the study. In the framework of preference studies, the stophst commonly consists of prepositions, articles, pronouns, conjunctions, possessives and demonstrative adjectives (ten Kleij and Musters, 2003). 

Selection of a frequency threshold, since the comparison of lexical profiles is only meaningful if the words have a minimum frequency (Lebart et al, 1998). 

1 Fresh, natural, fatty 5 Organic, healthy, digest 6 Sweet, fruity, female 6 

2 Traditional, thick, healthy 7 Herbal, no additives, probiotic 6 Strawberry, low-fat, diet 8 

The subjects (S) are arranged in rows and their individual terms are tabulated for each product, in columns. Other measures provided by each subject, such as liking (L) in this example, are also included in the table next to the corresponding product 

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