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Journal ArticleDOI
Tumors of the Brain and Nervous System after Radiotherapy in Childhood
Elaine Ron,Baruch Modan,John D. Boice,Esther Alfandary,Marilyn Stovall,Angela Chetrit,Leah Katz +6 more
TL;DR: It is confirmed that radiation doses on the order of 1 to 2 Gy can significantly increase the risk of neural tumors, and a strong dose--response relation was found.
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Bivariate survival models induced by frailties
TL;DR: In this article, the authors consider the class of bivariate survival distributions that can arise in this way, and show that the observable bivariate distribution determines the unobserved frailty distribution up to a scale parameter.
Journal ArticleDOI
Monotone Regression Splines in Action
TL;DR: In this article, the authors show the virtues of monotone splines through a number of statistical applications, including response variable transformation in nonlinear regression, transformation of variables in multiple regression, principal components and canonical correlation.
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Hierarchical Generalized Linear Models
Youngjo Lee,John A. Nelder +1 more
TL;DR: In this article, a generalization of Henderson's joint likelihood, called a hierarchical or h-likelihood, for inferences from hierarchical generalized linear models is proposed, where the distribution of these components is not restricted to be normal; this allows a broader class of models, which includes generalized linear mixed models.
Journal ArticleDOI
The Salesperson as Outside Agent or Employee: A Transaction Cost Analysis
TL;DR: The principal finding is that the greater the difficulty of evaluating a salesperson's performance, the more likely the firm is to substitute surveillance for commission as a control mechanism, i.e., to use a direct sales force.