There are two data frames:
- napping.don: A data frame of dimension (10,22): each row represents
a French wine, each couple (Xi,Yi) represents the
coordinates of the wines positioned on a tableclothe for a given panelist;
- napping.words: A data frame of dimension (10,14): each row represents
a French wine, each column an attribute, each cell the number of times
a given attribute was quoted for a given wine.