Sleuth3 (version 1.0-3)

ex1014: 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 (\(\mu\)g/larva)

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

# NOT RUN {
str(ex1014)
# }