CAR: a matlab package to compute correspondence analysis with rotation. Correspondence analysis (CA) is a popular method that can be used to analyse relationships between categorical variables. Like principal component analysis, CA solutions can be rotated both orthogonally and obliquely to simple structure without affecting the total amount of explained inertia. We describe a MATLAB package for computing CA. The package includes orthogonal and oblique rotation of axes. It is designed not only for advanced users of MATLAB but also for beginners. Analysis can be done using a user-friendly interface, or by using command lines. We illustrate the use of CAR with one example.

This software is also peer reviewed by journal JSS.

References in zbMATH (referenced in 1 article )

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  1. Chavent, Marie; Kuentz-Simonet, Vanessa; Saracco, Jér^ome: Orthogonal rotation in PCAMIX (2012)