Generation of multivariate ordinal data.

Description

A package for multivariate ordinal data generation given marginal distributions and correlation matrix based on the methodology proposed by Demirtas (2006).

Details

This package can be used to generate multivariate ordinal data. Two main input required are matrix of marginal probabilities of each variable and the correlation matrix of the ordinal variables. Due to the limitation on the magnitude of the binary correlations which depends on the marginal probabilities, off-diagonal entries of ordinal correlation matrix are not free to vary between -1 and 1.

The main function in this package is genOrd which generates the multivariate ordinal data. Another important function is simBinCorr which calculates the intermediate binary correlation.

Author(s)

Anup Amatya and Hakan Demirtas

Maintainer: Anup Amatya <aamatya@nmsu.edu>

References

• Demirtas, H. (2006). A method for multivariate ordinal data generation given marginal distributions and correlations. Journal of Statistical Computation and Simulation, Volume 76, Number 11, 1017-1025.

• Emrich, L.J. and Piedmonte, M.R. (1991). A method for generating high-dimensional multivariate binary variates, The American Statistician, Volume 45, 302-304.

Results