vocabulary2CT
Transforms a data.frame of products by vocabulary
of assessors into 1)
a cube of 0/1 contingency tables (one per assessor); and 2)
a products by words (from vocabulary) contingency table.
In this contingency table, the number at the intersection
of a row (product) and a column (word) is the number
of assessors who used this word to describe that product.
@details the cube of 0/1 contingency tables
(i.e., cubeOfVocabulary
can also be
analyzed with the package PTCA4CATA
as a
pseudo Check All That Apply (CATA) data set.