Dataset from an experiment exploring the effect of increasing concentrations of a herbicide on the volume of the treated algae.
A data frame with 14 observations on the following 3 variables.
conc
a numeric vector of concentrations.
vol
a numeric vector of response values, that is relative change in volume.
Details
This datasets requires a cubic root transformation in order to stabilise the variance.
Source
Meister, R. and van den Brink, P. (2000) The Analysis of Laboratory Toxicity Experiments, Chapter 4 in Statistics in Ecotoxicology, Editor: T. Sparks, New York: John Wiley \& Sons, (pp. 114–116).
Use the following R code to directly access this dataset in R.