bprobNP: Internal Function
Description
It provides the log-likelihood, gradient and observed information matrix for
penalized or unpenalized maximum likelihood optimization in the presense
of nonparametric random effects.References
Marra G., Papageorgiou G. and Radice R. (in press), Estimation of a Semiparametric Recursive Bivariate Probit Model with Nonparametric Mixing. Australian & New Zealand Journal of Statistics.