Odd Aalen
{{short description|Norwegian statistician and professor (born 1947)}}
{{Infobox scientist
| name = Odd Aalen
| image =
| alt =
| caption =
| birth_name =
| birth_date = {{Birth date and age|1947|05|06}}
| birth_place = Oslo, Norway
| nationality = Norwegian
| other_names =
| occupation = {{hlist|Statistician|professor}}
| years_active =
| doctoral_advisor = Lucien Le Cam
| known_for =
| notable_works =
| education = University of Oslo
University of California, Berkeley
| workplaces = University of Oslo
}}
Odd Olai Aalen (born 6 May 1947, in Oslo) is a Norwegian statistician in the Department of Biostatistics at the Institute of Basic Medical Sciences at the University of Oslo,{{cite web|title=Odd Aalen Olai|url=http://www.uio.no/?vrtx=person-view&uid=oaalen|work=Universitetet i Oslo|accessdate=3 January 2011}} where he is a professor emeritus.{{cite web|url=https://www.med.uio.no/imb/english/research/centres/ocbe/people/|title=People|publisher=Institute of Basic Medical Sciences, University of Oslo|accessdate=12 March 2025}} He is the namesake of the Nelson–Aalen estimator and Aalen-Johansen estimator, used in survival analysis,{{cite book|title=Applied Survival Analysis: Regression Modeling of Time-to-Event Data|series=Wiley Series in Probability and Statistics|first1=David W. Jr.|last1=Hosmer|first2=Stanley|last2=Lemeshow|first3=Susanne|last3=May|edition=2nd|publisher=John Wiley & Sons|year=2011|isbn=9781118211588|contribution=2.5 Other functions of survival time and their estimators|url=https://books.google.com/books?id=IvvOopIqzWsC}} reliability engineering,{{cite book|title=Introduction to Quality and Reliability Engineering|series=Springer Series in Reliability Engineering|first=Renyan|last=Jiang|publisher=Springer|year=2015|isbn=9783662472156|page=75|url=https://books.google.com/books?id=y2d1CQAAQBAJ&pg=PA75}} and life insurance{{cite book|title=Statistical Models Based on Counting Processes|series=Springer Series in Statistics|first1=Per K.|last1=Andersen|first2=Ornulf|last2=Borgan|first3=Richard D.|last3=Gill|first4=Niels|last4=Keiding|publisher=Springer|year=2012|isbn=9781461243489|page=311|url=https://books.google.com/books?id=fh3SBwAAQBAJ&pg=PA311}} to estimate the cumulative number of expected events.
Life
Aalen completed his examen artium in 1966 at Oslo Cathedral School before studying first mathematics and physics and then statistics in which he graduated at the University of Oslo in 1972.{{cite web | last =Borgan | first =Ørnulf | title =Odd Aalen | work =Norsk biografisk leksikon | publisher = Store norske leksikon | date =13 February 2009 | url =http://nbl.snl.no/Odd_Aalen | accessdate =30 April 2014 | language =Norwegian }} He completed a Ph.D. in 1995 at the University of California, Berkeley, with the dissertation Statistical Inference for a Family of Counting Processes supervised by Lucien Le Cam.{{mathgenealogy|34526}}
Honors and awards
Aalen is an elected member of the Norwegian Academy of Science and Letters.{{cite web|url=https://dnva.no/medlemmer/15|title=Medlemmer|publisher=Norwegian Academy of Science and Letters|access-date=2024-05-18}} He was elected as a Fellow of the American Statistical Association in 2007.{{cite web|url=https://ww2.amstat.org/fellows/|title=ASA Fellows|publisher=American Statistical Association|access-date=12 March 2025}}
References
{{Reflist}}
External links
- [http://www.med.uio.no/imb/english/research/networks/bmms/ The BMMS Centre] {{Archive url|url=https://web.archive.org/web/20170327194506/http://www.med.uio.no/imb/english/research/networks/bmms/|date=2017-03-27}}
- [http://www.med.uio.no/imb/english/people/aca/oaalen/index.html Aalen's home page]
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Category:Members of the Norwegian Academy of Science and Letters
Category:Norwegian statisticians
Category:Academic staff of the University of Oslo
Category:University of California, Berkeley alumni
Category:University of Oslo alumni