cata (version 0.1.0.27)

Consumer CATA data set: bread: Consumer CATA data set: bread

Description

Consumer data from 161 assessors (consumers) who evaluated 6 products (breads) using a check-all-that-apply (CATA) question and the 9-point hedonic scale.

Format

List with items:

• $cata: CATA data array (161 consumers \(\times\) 6 breads \(\times\) 31 sensory attributes)

• $liking: 9-point hedonic scale data matrix (161 consumers \(\times\) 6 breads)

• $ideal.cata: CATA data matrix for ideal bread evaluations (161 consumers \(\times\) 31 sensory attributes)

• $liking: 9-point hedonic scale data vector for ideal bread (length: 161 consumers)

Responses to CATA questions are each coded 1 if the assessor checks the attribute for the product; otherwise, it is coded 0

References

Meyners, M., Castura, J.C., & Carr, B.T. (2013). Existing and new approaches for the analysis of CATA data. Food Quality and Preference, 30, 309-319, tools:::Rd_expr_doi("10.1016/j.foodqual.2013.06.010")

Examples

data(bread)
  # view CATA frequency table
  apply(bread$cata, 2:3, sum)