نتایج جستجو برای: foreseeable effects

تعداد نتایج: 1546434  

Journal: :IEEE Access 2023

This study aims to generate test cases for scenario-based assessment of automated driving systems (ADS) when encountering a cut-out maneuver where the lead vehicle having changed lanes, revealing new that, in some cases, is slower than original (the cutting-out) vehicle. We extracted scenarios from an established real-world traffic dataset recorded by instrumented vehicles on Japanese highways ...

2010
Paul Clarke Claire Crawford Fiona Steele Anna Vignoles

We discuss the use of fixed and random effects models in the context of educational research and set out the assumptions behind the two modelling approaches. To illustrate the issues that should be considered when choosing between these approaches, we analyse the determinants of pupil achievement in primary school, using data from the Avon Longitudinal Study of Parents and Children. We conclude...

2009
Minjung Kyung Jeff Gill George Casella

An alternative to the classical mixedmodel with normal random effects is to use a Dirichlet process to model the random effects. Such models have proven useful in practice, and we have observed a noticeable variance reduction, in the estimation of the fixed effects, when the Dirichlet process is used instead of the normal. In this paper we formalize this notion, and give a theoretical justifica...

2007
Mark Gersovitz Ann Harrison Larry Katz Daniel Sichel ANNE C. CASE

In this paper I discuss economic processes that may give rise to spatial patterns in data, and explore the relative merits of alternative modeling approaches when data are spatially correlated. Specifically, I present an estimation scheme that allows for spatial random effects, and focus attention on cases in which such a framework may be preferred to the more general fixed effects framework th...

Journal: :international journal of environmental research 0

our research is directed at revealing the way cbd is approached in terms of the decision tofinance the actions it entails, with specific reference to the case of romania, in the context of the international/european and national regulations. after referring to the foreign and romanian professional literature, we shallproceed with a synthetic approach of the objectives related to cbd and the sus...

Journal: :PLoS ONE 2007
William F. Laurance Henrique E. M. Nascimento Susan G. Laurance Ana Andrade Robert M. Ewers Kyle E. Harms Regina C. C. Luizão José E. Ribeiro

Edge effects are major drivers of change in many fragmented landscapes, but are often highly variable in space and time. Here we assess variability in edge effects altering Amazon forest dynamics, plant community composition, invading species, and carbon storage, in the world's largest and longest-running experimental study of habitat fragmentation. Despite detailed knowledge of local landscape...

Journal: :Dose-response : a publication of International Hormesis Society 2009
Jerry M Cuttler Myron Pollycove

Energy needs worldwide are expected to increase for the foreseeable future, but fuel supplies are limited. Nuclear reactors could supply much of the energy demand in a safe, sustainable manner were it not for fear of potential releases of radioactivity. Such releases would likely deliver a low dose or dose rate of radiation, within the range of naturally occurring radiation, to which life is al...

Journal: :Circulation research 2002
Douglas L Mann

Recent studies have identified the importance of proinflammatory mediators in the development and progression of heart failure. The growing appreciation of the pathophysiological consequences of sustained expression of proinflammatory mediators in preclinical and clinical heart failure models culminated in a series of multicenter clinical trials that used "targeted" approaches to neutralize tum...

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