effeihgcov {CUB} | R Documentation |
Auxiliary function for the log-likelihood estimation of IHG models with covariates
Description
Compute the opposite of the log-likelihood function for an IHG model with covariates for the preference parameter.
Usage
effeihgcov(nu, ordinal, U, m)
Arguments
nu |
Vector of the starting values for the parameters to be estimated, with length equal to
NCOL(U)+1 to account for an intercept term (first entry of |
ordinal |
Vector of ordinal responses |
U |
Matrix of the explanatory variables for the preference parameter |
m |
Number of ordinal categories |
Details
It is called as an argument for "optim" within IHG function (with covariates) as the function to minimize.
[Package CUB version 1.1.5 Index]