نتایج جستجو برای: proportional hazards models
تعداد نتایج: 980828 فیلتر نتایج به سال:
Despite growing interest from practitioners, politicians and the media, the political representation of Muslim ethnic minority women in the West has received scant scholarly attention. I address this gap with new data on the representation of Muslim ethnic minority women and men in 20 national legislatures from 2000 to 2010. Results reveal that Muslim ethnic minority women are increasingly elec...
This study used data on the total population to examine the longitudinal association between midlife income and mortality and late-life income and mortality in an aging Swedish cohort. We specifically examined the shape of the associations between income and mortality with focus on where in the income distribution that higher incomes began to provide diminishing returns. The study is based on a...
We propose a new sparse estimation method for Cox (1972) proportional hazards models by optimizing an approximated information criterion. The main idea involves approximation of the ℓ0 norm with a continuous or smooth unit dent function. The proposed method bridges the best subset selection and regularization by borrowing strength from both. It mimics the best subset selection using a penalized...
The Senate has become the active parliamentary chamber it is today largely as a consequence of the representation of minor parties. While the two large parties have supported major changes to Senate procedures and are the major players in the day-today operation of the Senate, it has been the existence of minor party and independent senators that has given the Senate its distinctive role. It is...
Lagged Duration Dependence in Mixed Proportional Hazard Models We study the non-parametric identification of a mixed proportional hazard model with lagged duration dependence when data provide multiple outcomes per individual or stratum. We show that the information conveyed by the within strata variation can be exploited to nonparametrically identify lagged duration dependence in more general ...
OBJECTIVES The goal of this article was to test a series of established predictors of the hazard of moving for persons primarily in their 50s and 60s. We tested demographic covariates, resources, travel experience, and community and person ties using a prospective design. METHODS We employed data from the Health and Retirement Study, 1994 to 2002, based on a representative sample of household...
This paper examines age patterns of first marriage and motherhood and covariates of early marriage, delayed consummation of marriage and early motherhood in Nepal using data from the 2000 Nepal Adolescent and Young Adult Survey (NAYA). Both unmarried and married male and female youths (age 14-22) were included in the survey. The analysis is based on 2800 urban youths and 5075 rural youths with ...
In this paper, we use a novel duration model to study joint retirement in married couples using the Health and Retirement Study. Whereas conventionally used models cannot account for joint retirement, our model admits joint retirement with positive probability and nests the traditional proportional hazards model. In contrast to other statistical models for simultaneous durations, it is based on...
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