Nondetects And Data Analysis for environmental data CRAN Task View: Survival (http://CRAN.R-project.org/view=Survival) Contains methods described by Dennis R. Helsel in his book "Nondetects And Data Analysis: Statistics for Censored Environmental Data" Software Depends: methods, survival Lopaka Lee <llee@usgs.gov> Lopaka Lee GPL (>= 2) 2012-03-16 application/tgz http://CRAN.R-project.org/package=NADA