HOW to enter the data in EXCEL,
how to use MFA and GPA to deal with the napping data
Napping data ara issued from sessions where panelists arrange all the products on a blank paper sheet.
Napping allows to collect directly in only one session the sensory distances panelists perceived between products.
Each panelist discriminates products according to his own criteria.
The closer two products are, the more alike the panelist perceives them.