Associate Professor Graham Hepworth

Senior Statistical Consultant

Associate Professor Graham Hepworth

Consulting

I have more than 40 years experience as a consulting statistician. I joined the Statistical Consulting Centre in 2000, having previously worked in the Victorian Department of Primary Industries.  I  have particular expertise and experience in the design and analysis of experiments, as well as in surveys and sampling.

I have undertaken projects across a wide range of fields, including medicine, dentistry, food science, education, law, ecology, languages, psychology, and especially plant and animal sciences.  I have performed work for a wide range of state and federal government agencies, small and large businesses, and individual researchers.

I am an Accredited Statistician (AStat) of the Statistical Society of Australia and an active member and a past president of the Australasian Region of the International Biometric Society.

Examples

Here are some examples of my consulting work.

  • Design and analysis of an NHMRC-funded randomised controlled trial on ambulatory oxygen for treatment of exertional hypoxaemia in pulmonary fibrosis.
  • Design and analysis of an experiment to monitor temperatures in compost involving large animals, to enable NSW Department of Primary Industries to prepare for emergency animal disease composting.
  • Design and analysis of an MRFF-funded randomised controlled trial assessing the impact of reader replacement with artificial intelligence on interval cancer rates in population breast cancer screening.
  • Review of project investigating targeted prepartum nutritional interventions to decrease the incidence of calf mortality in northern Australian herds.

Research

I am an Associate Professor of Statistics in the School of Mathematics and Statistics.  I have a Bachelor of Science (Honours), Master of Science, and a PhD, all in mathematical statistics from the University of Melbourne. I have 140 refereed publications, with an h-index of 31. My methodological research has been in estimating proportions by group testing (pooled testing), in both point and interval estimation.  This work has been used by the US Centers for Disease Control and Prevention, and is incorporated in their software.

My collaborative research, much of which has arisen from consulting, has been in many fields, including animal reproduction, lung diseases, plant pathology, cardiac electrophysiology, dentistry, nursing, water use, compost science, ecology, entomology, veterinary science, and neurology.

I am a chief investigator on four NHMRC or MRFF funded projects:

  • Ambulatory oxygen for interstitial lung disease
  • Transforming pulmonary rehabilitation to reduce hospital admissions in chronic obstructive pulmonary disease
  • Synchronised non-invasive ventilation at home
  • A multi-state, single-blinded, randomised controlled trial assessing the impact of reader replacement with artificial intelligence on interval cancer rates in population breast cancer screening

Publications on Find an Expert

Teaching and resources

I have developed and taught tertiary subjects and short courses. The Statistical Consulting Centre has developed free resources to help with understanding statistics and data analytics.

All resources

  • I developed, and regularly teach, the intensive short courses Design and Analysis of Experiments and Mixed Models in R to participants from a wide range of fields.  I also developed, and taught for many years, a course on Design and Analysis of Surveys.

    All SCC courses

  • I have previously taught both undergraduate and Masters level courses.  For a couple of years I taught the subject “Thinking and Reasoning with Data” to Master of Science students. Prior to that I developed and taught the subject “Experimental Design / Statistical Methods” to students studying agriculture, forestry, and related disciplines.

Contact

Hepworth@unimelb.edu.au
(03) 8344 4796
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