Richard Tweedie

{{Infobox scientist

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| name = Richard Tweedie

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| birth_date = {{birth date|1947|08|22|df=yes}}

| birth_place = Leeton, New South Wales, Australia

| death_date = {{death date and age |2001|06|07 |1947|08|22|df=yes}}

| death_place = United States

| fields = Mathematics
Statistics

| workplaces = Bond University
Colorado State University
University of Minnesota

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| alma_mater = Australian National University
University of Cambridge

| thesis_title = R-Theory and Truncation Algorithms for Markov Chains and Processes

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| thesis_year = 1972

| doctoral_advisor = David George Kendall

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| known_for = Applied probability
Markov chains
Statistical modelling

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| awards = Member of the Bernoulli Society

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Richard Lewis Tweedie (22 August 1947 – 7 June 2001) was an Australian statistician.{{Cite journal |last1=Dunsmuir |first1=William T. M. |last2=Meyn |first2=Sean P. |last3=Roberts |first3=Gareth O. |date=2003 |title=Richard Tweedie, 1947–2001 |jstor=4128174 |journal=Journal of the Royal Statistical Society. Series D (The Statistician) |volume=52 |issue=1 |pages=102–104}}{{Cite web |url=https://trove.nla.gov.au/people/1164584?c=people |title=Tweedie, R. L. (Richard Lewis) (1947–2001) |website=Encyclopedia of Australian Science |language=en |access-date=2018-01-14}}

Education

After having completed his undergraduate studies and a Master of Arts at the Australian National University, Tweedie moved to Cambridge University, where he obtained his doctorate under the supervision of David George Kendall in 1972. Additionally, in 1986 he was awarded a Doctor of Science degree from the ANU for his major contributions to the theory of Markov chains on a measurable state space.{{Cite journal |last1=Dunsmuir |first1=William T. M. |last2=Meyn |first2=Sean P. |last3=Roberts |first3=Gareth O. |date=2002|title=Richard Tweedie, 1947–2001 |journal=Journal of Applied Probability |volume=39 |issue=2 |pages=441–454|doi=10.1017/S0021900200022671|doi-access=free }}

Career

Tweedie joined the company Siromath in 1981 as general manager, and became its managing director in 1983.{{Cite book |last=Tweedie |first=R. L. |date=1986 |series=Applied Probability |language=en |publisher=Springer, New York, NY |pages=291–308 |doi=10.1007/978-1-4613-8631-5_19 |isbn=9781461386339|title=The Craft of Probabilistic Modelling |volume=1 |chapter=In and Out of Applied Probability in Australia }} He taught at Bond University as Foundation Dean and Foundation Professor of Information Sciences from 1987 to 1992, after which he joined the faculty of Colorado State University (CSU). He was chair of CSU's Department of Statistics from 1992 to 1997, and left CSU to join the faculty of the University of Minnesota in 1999. When he died in 2001 of a heart attack, he was the chair of the University of Minnesota's Division of Biostatistics.{{Cite web |url=http://www.meyn.ece.ufl.edu/archive/spm_files/BernoulliTribute.html |title=Richard Tweedie |last=Hall |first=Peter |date=2001-07-06}}

=Tobacco industry consulting=

Tweedie did some work as a tobacco industry consultant during his career.{{Cite journal |last=Gelman |first=Andrew |title=Ethics and Statistics: Statistics for Cigarette Sellers |journal=Chance |volume=25 |issue=3 |pages=43–46 |doi=10.1080/09332480.2012.726563|year=2012 |s2cid=60267976 }} This work included presenting his analysis of studies on the health effects of passive smoking at a 1980 meeting, to which he had been invited by the industry.{{Cite web |url=https://www.industrydocumentslibrary.ucsf.edu/tobacco/docs/#id=mmyb0082 |title=Good Morning. |date=1980-11-19 |website=Industry Documents Library |language=en |access-date=2018-02-20|page=5}}

Recognition

Tweedie was elected as a Fellow of the American Statistical Association in 1997.{{cite web|url=https://www.amstat.org/ASA/Your-Career/Awards/ASA-Fellows-list.aspx|title=ASA Fellows list|publisher=American Statistical Association|accessdate=November 22, 2019}}

Richard Tweedie

Education

Career

=Tobacco industry consulting=

Recognition

References

Further reading