Nan Laird
Encyclopedia
Nan M. Laird is a professor in Biostatistics
at Harvard School of Public Health
. She served as Chair of the Department from 1990 to 1999. She was the Henry Pickering Walcott Professor of Biostatistics from 1991 to 1999. Laird is a Fellow of the American Statistical Association
, as well as the Institute of Mathematical Statistics
. She is a member of the International Statistical Institute
.
in 1975 under Arthur Dempster
.
Laird is well-known for many seminal papers in biostatistics applications and methods, including the Expectation-maximization algorithm
. She is a highly cited author according to the ISI Web of Knowledge.
Myra Samuels Lecturer award (2004), the Janet Norwood (2003) and F.N. David Award (2001) from the American Statistical Association, and several other fellowships.
Biostatistics
Biostatistics is the application of statistics to a wide range of topics in biology...
at Harvard School of Public Health
Harvard School of Public Health
The Harvard School of Public Health is one of the professional graduate schools of Harvard University, located in the Longwood Area of the Boston, Massachusetts neighborhood of Mission Hill, which is next to Harvard Medical School. HSPH is considered a significant school focusing on health in the...
. She served as Chair of the Department from 1990 to 1999. She was the Henry Pickering Walcott Professor of Biostatistics from 1991 to 1999. Laird is a Fellow of the American Statistical Association
American Statistical Association
The American Statistical Association , is the main professional US organization for statisticians and related professions. It was founded in Boston, Massachusetts on November 27, 1839, and is the second oldest, continuously operating professional society in the United States...
, as well as the Institute of Mathematical Statistics
Institute of Mathematical Statistics
The Institute of Mathematical Statistics is an international professional and scholarly society devoted to the development, dissemination, and application of statistics and probability. The Institute currently has about 4,000 members in all parts of the world...
. She is a member of the International Statistical Institute
International Statistical Institute
The International Statistical Institute is a professional association of statisticians. The Institut International de Statistique or International Statistical Institute was founded in 1885 although there had been international congresses from 1853.. The Institute publishes a variety of books and...
.
Research
Laird received her PhD from Harvard UniversityHarvard University
Harvard University is a private Ivy League university located in Cambridge, Massachusetts, United States, established in 1636 by the Massachusetts legislature. Harvard is the oldest institution of higher learning in the United States and the first corporation chartered in the country...
in 1975 under Arthur Dempster
Arthur P. Dempster
Arthur Pentland Dempster is a Professor Emeritus in the Harvard University Department of Statistics. He was one of four faculty when the department was founded in 1957.He was a Putnam Fellow in 1951. He obtained his Ph.D. from Princeton University in 1956...
.
Laird is well-known for many seminal papers in biostatistics applications and methods, including the Expectation-maximization algorithm
Expectation-maximization algorithm
In statistics, an expectation–maximization algorithm is an iterative method for finding maximum likelihood or maximum a posteriori estimates of parameters in statistical models, where the model depends on unobserved latent variables...
. She is a highly cited author according to the ISI Web of Knowledge.
Honors
Her honors include the Purdue UniversityPurdue University
Purdue University, located in West Lafayette, Indiana, U.S., is the flagship university of the six-campus Purdue University system. Purdue was founded on May 6, 1869, as a land-grant university when the Indiana General Assembly, taking advantage of the Morrill Act, accepted a donation of land and...
Myra Samuels Lecturer award (2004), the Janet Norwood (2003) and F.N. David Award (2001) from the American Statistical Association, and several other fellowships.
Publications
- A. P. Dempster, N. M. Laird and D. B. Rubin. (1977). "Maximum Likelihood from Incomplete Data via the EM Algorithm," Journal of the Royal Statistical Society, B, vol. 39, no. 1, pp. 1-38. (The authors collected a variety of maximum likelihood problems and methods of solving these problems that occurred in the literature. They found that all of these methods had some ideas in common and they named it the EM Algorithm, standing for "Expectation, Maximization".)
External links
- Nan Laird at Harvard School of Public HealthHarvard School of Public HealthThe Harvard School of Public Health is one of the professional graduate schools of Harvard University, located in the Longwood Area of the Boston, Massachusetts neighborhood of Mission Hill, which is next to Harvard Medical School. HSPH is considered a significant school focusing on health in the...
- Nan Laird at ISI Web of Knowledge