27 research outputs found
Monte Carlo Implementations of Two Sex Density Dependent Branching Processes and their Applications in Evolutionary Genetics
Bostonia: The Boston University Alumni Magazine. Volume 15
Founded in 1900, Bostonia magazine is Boston University's main alumni publication, which covers alumni and student life, as well as university activities, events, and programs
A study of the number of genes for leaf rust reaction differentiating certain wheat varieties
Call number: LD2668 .T4 1953 M6Master of Scienc
Some Laws of Mortality: How Well Do They Fit?
The goodnesses of fit over the entire life span of four models of mortality are compared using life tables from Australia and the United States. The results indicate that the five-parameter Siler model fits considerably better than the more complex eight-parameter Heligman-Pollard and Mode-Busby models. On the other hand, the ten-parameter model proposed by Mode and Jacobson fits human mortality patterns better than the Siler model. We conclude that the Heligman-Pollard and Mode-Busby models are probably misspecified. Additional research is necessary to determine (1) whether the Heligman-Pollard model can be improved by specifying it as a true hazard model and (2) whether the respecified Heligman-Pollard and Mode-Jacobson models are statistically robust, particularly with abridged life tables