cata (version 0.0.10.9)

getb: Calculate the b-measure

Description

Function to calculate the b-measure, which quantifies the sensory differentiation retained.

Usage

getb(X.b, X.c)

Value

b-measure

Arguments

X.b

three-way (I, J(J-1)/2, M) array with I assessors, J(J-1)/2 product comparisons, M CATA attributes, where values are counts of type b from the function barray)

X.c

array of same dimension as X.b, where values are counts of type b from the function barray)

References

Castura, J.C., Meyners, M., Varela, P., & Næs, T. (2022). Clustering consumers based on product discrimination in check-all-that-apply (CATA) data. Food Quality and Preference, 104564. tools:::Rd_expr_doi("10.1016/j.foodqual.2022.104564").

Examples

data(bread)

bread.bc <- barray(bread$cata)
getb(bread.bc[1:10,,1,], bread.bc[1:10,,2,])