TerMet {drc}R Documentation

The effect of terbuthylazin on growth rate

Description

Test on the effect of terbuthylazin on Lemna minor, performed on an aseptic culture according to the OECD-guidelines.

Usage

data(TerMet)

Format

A data frame with 30 observations on the following 2 variables.

dose
a numeric vector
rgr
a numeric vector

Details

Dose is

μ l^{-1}

and rgr is the relative growth rate of Lemna.

Source

Cedergreen N. (2004) Unpublished bioassay data.

Examples


## displaying first 6 rows of the data set
head(TerMet)

## Fitting log-logistic model
m1 <- drm(rgr~dose, data = TerMet, fct = LL.4())
summary(m1)

## Fitting log-logistic model
##  with Box-Cox transformation
m1 <- drm(rgr~dose, data = TerMet, fct = LL.4(), adjust = "bc1")
summary(m1)


[Package drc version 1.3-0 Index]