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1.
Le Hoang Ngoc Yen 《The Asia Pacific Journal of Anthropology》2018,19(4):350-366
This paper focuses on a Christian model of leprosy care overseen by Catholic nuns in Quy Hòa, a leprosarium in South Central Vietnam, from 1929—when the leper colony was established—until 1975, when the American-backed Southern regime collapsed and all of Quy Hòa’s foreign nuns were forced to leave. Drawing on recollections of elderly residents of the former leprosy colony, it describes the close and loving attention that the nuns offered to inmates, an attentiveness that was informed by the nuns’ ethic of Christian sacrifice. The nuns at Quy Hòa successfully built a quasi parent–child relationship with leprosy-afflicted inmates. Their striking devotion to the ‘lepers’ resembles substitute motherhood. However, these recollections of that era also shed critical light on an approach to leprosy care that was premised on hierarchy, strictly enforced segregation from the wider community and pronounced paternalism towards all those who came under the nuns’ rule of care. 相似文献
2.
We investigate the asymptotic behaviour of the recursive Nadaraya–Watson estimator for the estimation of the regression function in a semiparametric regression model. On the one hand, we make use of the recursive version of the sliced inverse regression method for the estimation of the unknown parameter of the model. On the other hand, we implement a recursive Nadaraya–Watson procedure for the estimation of the regression function which takes into account the previous estimation of the parameter of the semiparametric regression model. We establish the almost sure convergence as well as the asymptotic normality for our Nadaraya–Watson estimate. We also illustrate our semiparametric estimation procedure on simulated data. 相似文献
3.
Duong Thanh Phong Dinh Ngoc Thanh 《Journal of Statistical Computation and Simulation》2019,89(10):1798-1818
We derive the exact expressions of the probability density function (pdf) and the cumulative distribution function (cdf) of Wilks's likelihood ratio criterion Λ and Wilks-Lawley's statistic U in the non-central linear and the non-central planar cases. Those expressions are given in rapidly converging infinite series and can be used for numerical computation. For applications, we compute the exact power of these statistics in a multivariate analysis of variance exercise, and show by simulation the precision of our analytic formulae. 相似文献
4.
Ngoc Khue Tran 《统计学通讯:理论与方法》2017,46(16):7942-7968
In this article, we consider an ergodic Ornstein–Uhlenbeck process with jumps driven by a Brownian motion and a compensated Poisson process, whose drift and diffusion coefficients as well as its jump intensity depend on unknown parameters. Considering the process discretely observed at high frequency, we derive the local asymptotic normality property. To obtain this result, Malliavin calculus and Girsanov’s theorem are applied to write the log-likelihood ratio in terms of sums of conditional expectations, for which a central limit theorem for triangular arrays can be applied. 相似文献
5.
The ensemble Kalman filter is an ABC algorithm 总被引:1,自引:0,他引:1
The ensemble Kalman filter is the method of choice for many difficult high-dimensional filtering problems in meteorology, oceanography, hydrology and other fields. In this note we show that a common variant of the ensemble Kalman filter is an approximate Bayesian computation (ABC) algorithm. This is of interest for a number of reasons. First, the ensemble Kalman filter is an example of an ABC algorithm that predates the development of ABC algorithms. Second, the ensemble Kalman filter is used for very high-dimensional problems, whereas ABC methods are normally applied only in very low-dimensional problems. Third, recent state of the art extensions of the ensemble Kalman filter can also be understood within the ABC framework. 相似文献
6.
7.
Nguyen Ngoc Trung Kimoon Cheong Pham Thanh Nghi Won Joong Kim 《Social indicators research》2013,111(2):453-472
This paper investigates ten Asian nations to consider how socio-economic values affect happiness and satisfaction. Moreover, it considers whether economic factors can strongly affect wellbeing under certain conditions. Males in Asia are said they have more opportunities to obtain higher happiness and satisfaction but it does not happen in the current study. Unemployment has negative and significant impact with regard to happiness and satisfaction in developing countries yet it does not have the same effect in developed nations. It is believed cultural value positively affects happiness and satisfaction in East Asia but the result in the models is different with no clear relationship between this variable and wellbeing. Furthermore, some people declare that a relative increase of income compared to the lowest group will lead them to lower life satisfaction. 相似文献
8.
Phillip Dinh 《Pharmaceutical statistics》2013,12(5):260-267
In longitudinal clinical studies, after randomization at baseline, subjects are followed for a period of time for development of symptoms. The interested inference could be the mean change from baseline to a particular visit in some lab values, the proportion of responders to some threshold category at a particular visit post baseline, or the time to some important event. However, in some applications, the interest may be in estimating the cumulative distribution function (CDF) at a fixed time point post baseline. When the data are fully observed, the CDF can be estimated by the empirical CDF. When patients discontinue prematurely during the course of the study, the empirical CDF cannot be directly used. In this paper, we use multiple imputation as a way to estimate the CDF in longitudinal studies when data are missing at random. The validity of the method is assessed on the basis of the bias and the Kolmogorov–Smirnov distance. The results suggest that multiple imputation yields less bias and less variability than the often used last observation carried forward method. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
9.
In this paper, we consider a multidimensional ergodic diffusion with jumps driven by a Brownian motion and a Poisson random measure associated with a compound Poisson process, whose drift coefficient depends on an unknown parameter. Considering the process discretely observed at high frequency, we derive the local asymptotic normality (LAN) property. 相似文献
10.
Pham Dinh Tuan 《Statistics》2013,47(4):603-631
The paper is a survey of recent works on time series analysis using parametric models. The main emphasis is on linear models, in particular the ARMA model. Usual me¬thods of parameter estimation, goodness of fit tests and the choice of model order are con¬sidered. Some extensions of the methods to related problems are briefly discussed 相似文献