Jan De Leeuw

Maximum Likelihood Estimation in Generalized Rasch Models

Norman Verhelst, J. de Leeuw, N. Verhelst, 1986 .

Editorial Porting R to Darwin/x11 and Mac Os X Mac Os X Application Environments User Experience Porting Problems Rpvm: Cluster Statistical Computing in R

Friedrich Leisch, Jan De Leeuw, A J Rossini, 2022 .