On Mon, 13 Aug 2012, Bert Gunter wrote:
The proper approach is to use the proper approach: model it as left-censored data. The problem with that is:
I'm trying to impute data below detection limit (with multiple detection limits) so i need just a method or a code for imputation and then extract the complete dataset to do the analyses. Is there any package which could do that simply as i'm a beginner in R
This is the purpose of the NADA package. The package is based on Dennis Helsel's "Statistics for Censored Environmental Data Using Minitab and R, Second Edition." Rich ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
