Constrained and Unconstrained Zero-Inflated Generalized Additive Models with Model Selection Criterion Constrained and Unconstrained Zero-Inflated Generalized Additive Models (ZIGAM) fitting with associated model plotting, prediction and selection. Software Depends: R (>= 2.7.1), mgcv Hai Liu <liuhai@iupui.edu> Hai Liu <liuhai@iupui.edu>, Kung-Sik Chan <kung-sik-chan@uiowa.edu> GPL (>= 2) 2010-07-24 application/tgz http://CRAN.R-project.org/package=COZIGAM