Results 51 to 60 of about 14,099,422 (313)

Periodic Poisson model for beam dynamics simulation

Physical Review Accelerators and Beams, 2016
A method is described to solve the Poisson problem for a three dimensional source distribution that is periodic into one direction. Perpendicular to the direction of periodicity a free space (or open) boundary condition is realized. In beam physics, this
M. Dohlus, Ch. Henning
doaj   +1 more source

Sansürlü Ve Sansürsüz Poisson Regresyon Modellerinin Karşılaştırılması

Karadeniz Fen Bilimleri Dergisi, 2019
Poisson regresyon modeli, belli bir zaman periyodunda meydana gelen olaylara uygulanan bir regresyon modelidir. Bu modelde bağımlı değişken kesikli yani sayma verilerinden oluşur. Bu bakımdan regresyon modellerinin özel bir türüdür.
Öznur İŞÇİ GÜNERİ, Burcu DURMUŞ   +1 more
doaj   +1 more source

Poisson-Driven Stationary Markov Models [PDF]

Journal of Business & Economic Statistics, 2017
We propose a simple yet powerful method to construct strictly stationary Markovian models with given but arbitrary invariant distributions. The idea is based on a Poisson-type transform modulating the dependence structure in the model. An appealing feature of our approach is the possibility to control the underlying transition probabilities and ...
Anzarut M., Mena R. H., Nava C. R., Prunster I.   +3 more
openaire   +3 more sources

Comparative Effectiveness and Safety of Inebilizumab Versus Rituximab in AQP4‐IgG‐Positive NMOSD

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Rituximab (anti‐CD20, RTX) and inebilizumab (anti‐CD19, INE) represent B‐cell‐depleting therapies used for aquaporin‐4 antibody‐positive (AQP4‐IgG+) neuromyelitis optica spectrum disorder (NMOSD); however, direct comparative evidence remains limited.
Jie Lin, Binbin Xue, Dewei Xie, Jia Li, Juyuan Pan, Lanbing Zhu, Qiaowen Tong, Jing Lin, Ruofan Zhu, Xu Zhang, Junhui Xia, Xiang Li   +11 more
wiley   +1 more source

Retractions in Rheumatology: Trends, Causes, and Implications for Research Integrity

Arthritis Care &Research, EarlyView.
Objective We aimed to describe the trends and main reasons for study retraction in rheumatology literature. Methods We reviewed the Retraction Watch database to identify retracted articles in rheumatology. We recorded the main study characteristics, authors’ countries, reasons for retraction, time from publication to retraction, and trends over time ...
Anna Maria Vettori, Michele Iudici
wiley   +1 more source

Affine Poisson Groups and WZW Model

Symmetry, Integrability and Geometry: Methods and Applications, 2008
We give a detailed description of a dynamical system which enjoys a Poisson-Lie symmetry with two non-isomorphic dual groups. The system is obtained by taking the q → ∞ limit of the q-deformed WZW model and the understanding of its symmetry structure ...
Ctirad Klimcík
doaj   +1 more source

Developing and Evaluating a Laboratory‐Based Frailty Index for the Prediction of Long‐Term Health Outcomes in Systemic Lupus Erythematosus

Arthritis Care &Research, EarlyView.
Objective We aimed to construct and evaluate the first laboratory‐based frailty index (FI‐Lab) for predicting adverse outcomes in systemic lupus erythematosus (SLE) and to compare its predictive ability to that of an existing clinical FI. Methods We used data from a single‐center prospective cohort of adult patients with SLE whose baseline visit ...
Grace Burns, Samuel D. Searle, Alexandra Legge   +2 more
wiley   +1 more source

Doğu Anadolu fay zonu (DAFZ) ve civarının depremselliğinin Poisson ve Üstel dağılım modellerine göre incelenmesi

Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 2018
Türkiye içerdiği aktif Kuzey Anadolu fay zonu (KAFZ) ve Doğu Anadolu fay zonu (DAFZ) nedeniyle yüksek deprem riskine sahiptir. Depremlerin yaratacağı hasarların en aza indirilmesi için depremlerin önceden tahmini üzerine araştırmalar yapılmalıdır.
KAAN HAKAN ÇOBAN, Nilgün SAYIL
doaj  

An Imperfect Debugging Littlewood Non-homogeneous Poisson Process Model [PDF]

The Egyptian Statistical Journal, 2006
The large literature on software reliability assessment and prediction essentially assumes that once a failure occurs the fault causing the failure is immediately removed with certainty. i.e., perfect debugging. This assumption may not be realistic.
Abdalla Abdel-Ghaly, May Barghout
doaj   +1 more source

Methods to evaluate the effectiveness of advanced stop lines for motorcycles in improving road safety

MethodsX, 2021
In Barcelona, Advanced Stop Lines (ASL) for motorcycles, were implemented since 2009. This paper aims to describe the process followed in determining the best statistical model to analyse the effectiveness of ASL in preventing road traffic injury ...
Elena Santamariña-Rubio, Katherine Pérez   +1 more
doaj   +1 more source