ex1014 {Sleuth3} | R Documentation |
Toxic Effects of Copper and Zinc
Description
Researchers randomly allocated 25 beakers containing minnow larvae to receive one of 25 treatment combinations of 5 levels of zinc and 5 levels of copper.
Usage
ex1014
Format
A data frame with 25 observations on the following 3 variables.
- Copper
amount of copper received (in ppm)
- Zinc
amount of zinc received (in ppm)
- Protein
protein in minnow larvae exposed to copper and zinc (
g/larva)
Source
Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.
References
Ryan, D.A., Hubert, J.J., Carter, E.M., Sprague, J.B. and Parrott, J. (1992). A Reduced-Rank Multivariate Regression Approach to Aquatic Joint Toxicity Experiments, Biometrics 48(1): 155–162.
Examples
str(ex1014)
[Package Sleuth3 version 1.0-6 Index]