| chocolates {SensoMineR} | R Documentation |
Chocolates data
Description
The data used here refer to six varieties of chocolates sold in France.
- For the sensory description: each chocolate was evaluated twice by 29 panelists according to 14
sensory descriptors;
- For the hedonic data: each chocolate was evaluated on a structured scale from 0 to 10,
by 222 consumers, according to their liking (0) or disliking (10);
- For the sensory panels description: each chocolate was evaluated by 7 panels according to 14
sensory descriptors.
Usage
data(chocolates)Format
There are three data frames:
- sensochoc: a data frame with 348 rows and 19 columns: 5 qualitative variables
(Panelist, Session, Form, Rank, Product) and 14 sensory descriptors;
- hedochoc: a data frame with 6 rows and 222 columns: each row corresponds to a chocolate
and each column to the hedonic scores given by one of the 222 consumers participating in the study;
- sensopanels: a data frame with 6 rows and 98 columns: each row corresponds to a chocolate
and each column to the mean over the panelists of a given panel
according to a sensory descriptor.
Source
Applied mathematics department, Institut Agro
Examples
data(chocolates)
decat(sensochoc, formul = "~Product+Panelist", firstvar = 5, graph = FALSE)