@article{ef8e25479c2e4244a48fda77fcdeb13f,
title = "%lrasch_mml: A SAS Macro for Marginal Maximum Likelihood Estimation in Longitudinal Polytomous Rasch Models",
keywords = "polytomous Rasch model, longitudinal Rasch model, marginal maximum likelihood (MML) estimation, item parameter drift, response dependence, SAS macro",
author = "Larsen, {Maja Olsbjerg} and Christensen, {Karl Bang}",
year = "2015",
month = oct,
day = "7",
doi = "10.18637/jss.v067.c02",
language = "English",
volume = "67",
pages = "1--24",
journal = "Journal of Statistical Software",
issn = "1548-7660",
publisher = "The Foundation for Open Access Statistics",
number = "Code Snippet 2",
}