atrazine

From the <code>NADA</code> R-Package.
Atrazine concentrations in a series of Nebraska wells before (June) and after (September) the growing season.
Objective is to determine if concentrations increase from June to September. There is one detection limit, at 0.01 ug/L. Used in Chapters 4, 5, and 9 of the Helsel (2011) book.

dataset

Contains methods described by Dennis Helsel in
his book "Statistics for Censored Environmental Data
using Minitab and R" (2011) and courses and videos at
<https://practicalstats.com>. This package adds new functions to
the `NADA` Package.

Paul Julian

NADA2

Data Analysis for Censored Environmental Data

Dennis Helsel

atrazine function

An object of class <code>data.frame</code> with 24 rows and 4 columns.

atrazine: Atrazine concentrations in Nebraska ground water

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References