lk_obs_score_clust function

Compute observed log-likelihood and score

Function used within est_multi_poly to compute observed log-likelihood and score.

lk_obs_score_clust(par_comp, lde1, lde2, lpar, lga, S, R, kU, kV, rm,
                   l, J, fv, link, disc, indga, refitem, miss, ltype,
                   WWdis, Wlabel, XXdis, Xlabel, ZZ0, clust, fort)

Arguments

• par_comp: complete vector of parameters
• lde1: length of de
• lde2: length of de
• lpar: length of par
• lga: length of ga
• S: matrix of responses
• R: matrix of observed responses indicator
• kU: number of latent classes at cluster level
• kV: number of latent classes at individual level
• rm: number of dimensions
• l: number of respnse categories
• J: number of items
• fv: indicator of constrained parameters
• link: link function
• disc: presence of discrimination parameter
• indga: indicator of gamma parameters
• refitem: vector of reference items
• miss: indicator of presence of missing responses
• ltype: type of logit
• WWdis: array of covariates at cluster level
• Wlabel: indicator for covariate configuration at cluster level
• XXdis: array of covariates at individual level
• Xlabel: indicator for covariate configuration at individual level
• ZZ0: design matrix
• clust: vector of cluster indicator for each unit
• fort: to use fortran

Returns

• lk: log-likelihood function

• sc: score vector

Author(s)

Francesco Bartolucci - University of Perugia (IT)