Function to estimate and validate a CUB model for given ordinal responses, with covariates for explaining all the components and the shelter effect.
gecubpqs(ordinal,Y,W,X,shelter,theta0,maxiter,toler)An object of the class "CUB"
Vector of ordinal responses
Matrix of selected covariates for explaining the uncertainty component, not including intercept
Matrix of selected covariates for explaining the feeling component, not including intercept
Matrix of selected covariates for explaining the shelter effect, not including intercept
Category corresponding to the shelter choice
Starting values for parameters explaining the shelter effect
Maximum number of iterations allowed for running the optimization algorithm
Fixed error tolerance for final estimates
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