Description Usage Format Details Source Examples
Test on the effect of terbuthylazin on Lemna minor, performed on an aseptic culture according to the OECD-guidelines.
1 |
A data frame with 30 observations on the following 2 variables.
a numeric vector of dose values.
a numeric vector of relative growth rates.
Dose is
μ l^{-1}
and rgr is the relative growth rate of Lemna.
Cedergreen N. (2004). Unpublished bioassay data.
1 2 3 4 5 6 7 8 9 10 11 | ## displaying first 6 rows of the data set
head(terbuthylazin)
## Fitting log-logistic model
terbuthylazin.m1 <- drm(rgr~dose, data = terbuthylazin, fct = LL.4())
summary(terbuthylazin.m1)
## Fitting log-logistic model
## with Box-Cox transformation
terbuthylazin.m2 <- boxcox(terbuthylazin.m1, method = "anova")
summary(terbuthylazin.m2)
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