Description Usage Arguments Value Author(s) References Examples
Perform Factorial Approach for Sorting Task data (FAST) on a table where the rows (i) are products and the columns (j) are consumers. A cell (i,j) corresponds either to the number of the group to which the product i belongs for the consumer j, or, in the case of "qualified" categorization, to the sequence of words associted with the group to which the product i belongs for the consumer j.
1 |
don |
a data frame with n rows (products) and p columns (assesor : categorical variables) |
alpha |
the confidence level of the ellipses |
sep.words |
the word separator character in the case of qualified categorization |
word.min |
minimum sample size for the word selection in textual analysis |
graph |
boolean, if TRUE a graph is displayed |
axes |
a length 2 vector specifying the components to plot |
ncp |
number of dimensions kept in the results (by default 5) |
B |
the number of simulations (corresponding to the number of virtual panels) used to compute the ellipses |
val |
boolean, if TRUE elements of validity are calculating (it is time consuming) |
B.val |
the number of simulations used to obtain the elements of validity |
label.miss |
label associated with missing groups in the case of incomplete data set |
A list containing the following elements:
eig |
a matrix containing all the eigenvalues, the percentage of variance and the cumulative percentage of variance |
var |
a list of matrices containing all the results for the categories (coordinates, square cosine, contributions, v.test) |
ind |
a list of matrices containing all the results for the products (coordinates, square cosine, contributions) |
group |
a list of matrices containing all the results for consumers (coordinates, square cosine, contributions) |
acm |
all the results of the MCA |
cooccur |
the reordered co-occurrence matrix among products |
reord |
the reordered matrix products*consumers |
cramer |
the Cramer's V matrix between all the consumers |
textual |
the results of the textual analysis for the products |
validity |
the elements of validity calculated for the first eigenvalue and the ellipses |
call |
a list with some statistics |
Marine Cadoret, S\'ebastien L\^e sebastien.le@agrocampus-ouest.fr
Cadoret, M., L\^e, S., Pag\'es, J. (2008) A novel Factorial Approach for analysing Sorting Task data. 9th Sensometrics meeting. St Catharines, Canada
Cadoret, M., L\^e, S., Pag\'es, J. (2009) A Factorial Approach for Sorting Task data (FAST). Food Quality and Preference. 20. pp. 410-417
Cadoret, M., L\^e, S., Pag\'es, J. (2009) Missing values in categorization. Applied Stochastic Models and Data Analysis (ASMDA). Vilnius, Lithuania
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Loading required package: FactoMineR
dev.new(): using pdf(file="Rplots1.pdf")
dev.new(): using pdf(file="Rplots2.pdf")
dev.new(): using pdf(file="Rplots3.pdf")
dev.new(): using pdf(file="Rplots4.pdf")
dev.new(): using pdf(file="Rplots5.pdf")
dev.new(): using pdf(file="Rplots6.pdf")
dev.new(): using pdf(file="Rplots7.pdf")
Number of different words : 95
dev.new(): using pdf(file="Rplots8.pdf")
dev.new(): using pdf(file="Rplots9.pdf")
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