hormesis {drc}R Documentation

Hormesis data set

Description

Results from an experiment with isobutylalcohol in nutrient solution.

Usage

data(hormesis)

Format

A data frame with 21 observations on the following 2 variables.

conc
a numeric vector
weight
a numeric vector

Details

The data set illustrates hormesis, presence of a subtoxic stimulus.

Source

van Ewijk, P. H. and Hoekstra, J. A. (1993) Calculation of the EC50 and its Confidence Interval When Subtoxic Stimulus Is Present, ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY, 25, 25–32.

References

van Ewijk, P. H. and Hoekstra, J. A. (1994) Curvature Measures and Confidence Intervals for the Linear Logistic Model, Appl. Statist., 43, 477–487.

Examples


head(hormesis)
plotraw(weight~conc, data=hormesis)


[Package drc version 1.1-0 Index]