Odd Aalen
Odd Olai Aalen | |
|---|---|
| Born | May 6, 1947 Oslo, Norway |
| Occupation(s) | Statistician, professor emeritus |
| Known for | Contributions to Nelson–Aalen estimator and Aalen-Johansen estimator |
Odd Olai Aalen (born 6 May 1947 in Oslo) is a Norwegian expert in statistics affiliated with the Department of Biostatistics at the Institute of Basic Medical Sciences, University of Oslo. He holds the title of professor emeritus and is recognized for his contributions to the development of the Nelson–Aalen estimator and the Aalen-Johansen estimator. These estimators are extensively applied in fields such as survival analysis, reliability engineering, and life insurance for calculating cumulative expected event counts.
Life
Aalen finished his examen artium at Oslo Cathedral School in 1966 before pursuing studies in mathematics, physics, and statistics at the University of Oslo, where he graduated in 1972. He later obtained his doctorate in 1995 from the University of California, Berkeley, presenting a thesis titled Statistical Inference for a Family of Counting Processes under the guidance of Lucien Le Cam.
Honors and awards
He is a member of the prestigious Norwegian Academy of Science and Letters and was honored as a Fellow of the American Statistical Association in 2007.