Abstract
Multivariate nonparametric statistical methods have not been widely used by psychologists. One reason for this may have been that the usual general-purpose packages do not provide easy implementation of these methods. In this article, we briefly describe the multivariate extensions of the sign, signed-rank, and rank-sum tests and use S, a programming environment for data analysis, to implement these statistical procedures. Three numerical examples are used to illustrate the flexibility and efficiency of these computations in S.
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This work is partially supported by a competitive instructional grant from the Quality of Instruction Council of DePaul University to C.-F.S. We thank two anonymous reviewers for comments on a previous draft of this paper.
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Sheu, Cf., O’Curry, S. Implementation of nonparametric multivariate statistics with S. Behavior Research Methods, Instruments, & Computers 28, 315–318 (1996). https://doi.org/10.3758/BF03204789
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DOI: https://doi.org/10.3758/BF03204789