Description Usage Arguments Value References See Also Examples
Between Group Comparison (BGC)
1 |
Data |
a numeric matrix or data frame |
Group |
a vector of factors associated with group structure |
numc |
number of components assocaited with PCA on each group |
ncomp |
number of components, if NULL number of components is equal to 2 |
Scale |
scaling variables, by defalt is FALSE. By default data are centered within groups |
graph |
should loading and component be plotted |
list with the following results:
Data |
Original data |
Con.Data |
Concatenated centered data |
split.Data |
Group centered data |
Group |
Group as a factor vector |
loadings.common |
Matrix of common loadings |
lambda |
The specific variances of groups |
exp.var |
Percentages of total variance recovered associated with each dimension |
W. J. Krzanowski (1979). Between-groups comparison of principal components, Journal of the American Statistical Association, 74, 703-707.
A. Eslami, E. M. Qannari, A. Kohler and S. Bougeard (2013). General overview of methods of analysis of multi-group datasets, Revue des Nouvelles Technologies de l'Information, 25, 108-123.
A. Eslami, E. M. Qannari, A. Kohler and S. Bougeard (2013). Analyses factorielles de donnees structurees en groupes d'individus, Journal de la Societe Francaise de Statistique, 154(3), 44-57.
mgPCA
, FCPCA
, DCCSWA
,
DSTATIS
, DGPA
, summarize
,
TBWvariance
, loadingsplot
,
scoreplot
, iris
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