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Marta Vernai

Libri dell’autore

Non-symmetrical correspondence analysis to evaluate how age influences the addiction discourses digital
format: Article | STATISTICA & APPLICAZIONI - 2017 - 1
Year: 2017
The current paper aims to present the method of Non-Symmetrical Correspondence Analysis (NSCA) based on Emerson’s orthogonal polynomials, which takes into account, in efficient way, the ordinal structure of the data. The extension of NSCA is the so called Singly Ordered Non-Symmetrical Correspondence Analysis version (SONSCA), that, by taking into account the ordinal structure in the table, improving the interpretation ability of the analysis...