[R] Imputing data below detection limit

[Rich Shepard]

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