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misspecified. The most commonly used robust confidence interval, the generalized Wald interval, is known to be liberal in small … performance: the generalized score interval; the robust profile likelihood interval; a new, modified generalized score interval …
Persistent link: https://www.econbiz.de/10009431232
constrained nonparametric maximum likelihood estimator (C-NPMLE) of the survivor functions in one- and two-sample settings …
Persistent link: https://www.econbiz.de/10009482960
for the ratio and odds ratio of two survival functions through both parametric and nonparametric approaches.We first … construct empirical likelihood confidence interval and simultaneous confidence bands for the odds ratio of two survival … functions to address small sample efficacy and sufficiency. The empirical log-likelihood ratio is developed, and the …
Persistent link: https://www.econbiz.de/10009463366
The Hawaiian green sea turtle genetic stock is endemic to the Hawaiian Archipelago. This stock was depleted over the past century mainly due to over-exploitation that ceased during the 1970s following protection under the US Endangered Species Act. Nesting trends suggest the stock has been...
Persistent link: https://www.econbiz.de/10009448252
of Finance 56, 815849] argue that fluctuations from the equilibrium ratio of consumption to wealth (cy) reflect changing …
Persistent link: https://www.econbiz.de/10009448503
on the latent variables cannot be verified directly using observed data. Even though semiparametric and nonparametric … inference is robust under certain latent-model assumptions. We refer to such robustness as latent-model robustness.We start with …
Persistent link: https://www.econbiz.de/10009431306
This dissertation studies models for locating facilities in time varying demandenvironments. We describe the characteristics of the time varying demand that motivatethe analysis of our location models in terms of total demand and the changein value and location of the demand of each customer....
Persistent link: https://www.econbiz.de/10009464879
. Unfortunately, as I show here, all existing null model tests are biased or non-robust. Although both qualities are problematic, the …. To fix the problem, I derive robust tests. Letting i and j denote the ith and jth colonists to arrive at a site …
Persistent link: https://www.econbiz.de/10009466183
squares methods. We use Huber's loss function in developing robust methods for time-course multivariate responses. We use … parts. The first part develops a robust score test for linear models by a modification of the well-known Rao's score test … dissertation, we propose a robust clustering method based on the EM algorithm applied to a modified multivariate normal density …
Persistent link: https://www.econbiz.de/10009477900
With the growth globalization, an attribute that has gained recognition as a determinant in consumer purchasing is the food’s County-of-Origin. In 2002, congress first passed Country-of Origin Labeling (COOL) laws, but ran into much resistance from the food industry due to the cost that would...
Persistent link: https://www.econbiz.de/10009468008