PCAmixdata (version 2.1)

summary.PCAmix: Summary of a 'PCAmix' object

Description

This is a method for the function summary for objects of the class PCAmix.

Usage

## S3 method for class 'PCAmix':
summary(object, ...)

Arguments

object

an object of class PCAmix obtained with the function PCAmix or PCArot.

...

further arguments passed to or from other methods.

Value

• Returns the matrix of squared loadings. For quantitative variables (resp. qualitative), squared loadings are the squared correlations (resp. the correlation ratios) with the scores or with the rotated (standardized) scores.

References

Chavent, M., Kuentz, V., Saracco, J. (2011), Orthogonal Rotation in PCAMIX

Kiers, H.A.L., (1991), Simple structure in Component Analysis Techniques for mixtures of qualitative and quantitative variables, Psychometrika, 56, 197-212.

See Also

plot.PCAmix,PCAmix,PCArot,

Examples

data(wine)
X.quanti <- wine[,c(3:29)] 
X.quali <- wine[,c(1,2)] 
pca<-PCAmix(X.quanti,X.quali,ndim=4, graph=FALSE)
summary(pca)

rot<-PCArot(pca,3,graph=FALSE)
summary(rot)