Non symmetrical two-way correspondence analysis

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Description

This function is used in the main function CAvariants when the input parameter is catype = "NSCA". It calculates the singular value decomposition of the numerator of the Goodman-Kruskal tau index (index of predictability), computes principal axes, coordinates, weights of rows and columns, total inertia (equal to the numerator of the tau index) and the rank of the matrix.

Usage

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nscabasic(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. John Wiley & Sons.

Examples

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