About the Authors

Margaret R. Donald

m.r.donald@bigpond.com

Affiliation Mathematics and Statistics, University of New South Wales, Sydney, NSW, Australia

Kerrie L. Mengersen

Affiliation Statistics Department, Queensland University of Technology, Brisbane, QLD, Australia

Rick R. Young

Affiliation Tamworth Agricultural Institute, NSW Department of Primary Industries, Calala, NSW, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RRY. Performed the experiments: RRY. Analyzed the data: MRD. Wrote the paper: MRD KLM RRY.