cubp0 function

Main function for CUB models with covariates for the uncertainty component

Estimate and validate a CUB model for given ordinal responses, with covariates for explaining the feeling component via a logistic transform.

cubp0(m, ordinal, Y, maxiter, toler)

Arguments

• m: Number of ordinal categories
• ordinal: Vector of ordinal responses
• Y: Matrix of selected covariates for explaining the uncertainty component
• maxiter: Maximum number of iterations allowed for running the optimization algorithm
• toler: Fixed error tolerance for final estimates

Returns

An object of the class "CUB"

References

Iannario M. and Piccolo D. (2010), A new statistical model for the analysis of customer satisfaction, Quality Technology and Quantity management, 7 (2) 149--168

Iannario M. and Piccolo D. (2012). CUB models: Statistical methods and empirical evidence, in: Kenett R. S. and Salini S. (eds.), Modern Analysis of Customer Surveys: with applications using R, J. Wiley and Sons, Chichester, 231--258