cabasic {CAvariants}

Classical two-way correspondence analysis

Description

This function is used in the main function CAvariants when the input parameter is catype = "CA". It performs the singular value decomposition of Pearson's ratio and computes principal axes, coordinates, the weights of rows and columns, the total inertia (equal to Pearson's index) and the rank of the matrix.

Usage

cabasic(Xtable)

Arguments

Xtable

The two-way contingency table.

Note

This function belongs to the R object class called cabasicresults.

Author(s)

Rosaria Lombardo and Eric J. Beh

References

Beh EJ and Lombardo R 2014 Correspondence Analysis: Theory, Practice and New Strategies. Wiley.
Lombardo R Beh EJ 2016 Variants of Simple Correspondence Analysis. The R Journal, 8 (2), 167–184.
Lombardo R Beh EJ and Kroonenberg PM 2016 Modelling Trends in Ordered Correspondence Analysis Using Orthogonal Polynomials. Psychometrika, 81(2), 325–349.

Examples

data(asbestos)
cabasic(asbestos)