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Generating and Comparing Multivariate Ordinal Variables by Means of Permutation Tests

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Topics in Statistical Simulation

Part of the book series: Springer Proceedings in Mathematics & Statistics ((PROMS,volume 114))

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Abstract

In this paper we introduce a nonparametric approach based on permutation tests and nonparametric combination methodology (NPC) for testing for correlation in presence of multivariate categorical variables. After an overview of permutation inference and the NPC methodology, we discuss the nonparametric procedure and we show a simulation-based comparative study. In particular, we deal with simulations from multivariate ordinal random variables, in order to show the performance in terms of power when the assumption of normality is not satisfied. In this regard, we consider also a new proposal for generating samples from multivariate ordinal data.

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Correspondence to Luigi Salmaso .

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Carrozzo, E., Barbiero, A., Salmaso, L., Ferrari, P.A. (2014). Generating and Comparing Multivariate Ordinal Variables by Means of Permutation Tests. In: Melas, V., Mignani, S., Monari, P., Salmaso, L. (eds) Topics in Statistical Simulation. Springer Proceedings in Mathematics & Statistics, vol 114. Springer, New York, NY. https://doi.org/10.1007/978-1-4939-2104-1_12

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