preprocess_FreeSort: Preprocessing for Free Sorting Data
Description
For Free Sorting Data, this preprocessing is needed.
Usage
preprocess_FreeSort(Data, NameSub=NULL)
Arguments
Data
data frame or matrix. Corresponds to all variables that contain subjects results. Each column corresponds to a subject and gives the groups to which the products (rows) are assigned
NameSub
string vector. Name of each subject. Length must be equal to the number of clumn of the Data. If NULL, the names are S1,...Sm. Default: NULL
Value
A list with:
new_Data: the Data transformed
Blocks: the number of groups for each subject
NameBlocks: the name of each subject
References
Llobell, F., Cariou, V., Vigneau, E., Labenne, A., & Qannari, E. M. (2018). Analysis and clustering of multiblock datasets by means of the STATIS and CLUSTATIS methods. Application to sensometrics. Food Quality and Preference, in Press.