SIR model

Part 1 of ebook "Social and demographic accounting" provides readers with contents including: social accounting - essays in honour of Sir Richard Stone; a SAM for Europe - social accounts at the regional level; interregional SAMs and capital accounts; social accounting matrices and income distribution analysis in Kenya; structure of the Bangladesh interregional social accounting system - a comparison of alternative decompositions;...

118p mocthanhdao0210 19-11-2023 8 4   Download

In this paper we introduce a new framework that allows for a more systematic and user-friendly way of building and running epidemiological models that efficiently handles disease data and reduces much of the boilerplate code that usually associated to these models. We introduce the framework by developing an SIR model on a simple network as an example.

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Pandemic is a typical spreading phenomenon that can be observed in the human society and is dependent on the structure of the social network. The Susceptible-Infective-Recovered (SIR) model describes spreading phenomena using two spreading factors; contagiousness (β) and recovery rate (γ).

10p viflorida2711 30-10-2020 11 2   Download

This paper focusses on the computational aspects of infectious disease models and applies commonly available graphics processing units (GPUs) for the simulation of these models. However, fully utilizing the resources of both CPUs and GPUs requires a carefully balanced heterogeneous approach.

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Since early antimicrobial therapy is mandatory in septic patients, immediate diagnosis and distinction from non-infectious SIRS is essential but hampered by the similarity of symptoms between both entities.

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In this paper, the stochastic SIR epidemic model with Markov switching and general incidence rate is investigated. We classify the model by introducing a threshold value λ. To be more specific, we show that if λ < 0 then the disease-free is globally asymptotic stable i.e., the disease will eventually disappear while the epidemic is strongly stochastically permanent provided that λ > 0

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Bài viết trình bày các kết quả nghiên cứu khả năng phát hiện và ảnh hưởng lẫn nhau của các hang rỗng bằng phương pháp Ra đa đất.

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JAMES HARRINGTON, eldest son of Sir Sapcotes Harrington of Exton, in Rutlandshire, was born in the reign of James I, in January, 1661, five years before the death of Shakespeare. He was two or three years younger than John Milton.

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Important breakthroughs in the foundations of mechanical engineering occurred in England during the 17th century when Sir Isaac Newton both formulated the three Newton's Laws of Motion and developed Calculus, the mathematical basis of physics. Newton was reluctant to publish his methods and laws for years, but he was finally persuaded to do so by his colleagues, such as Sir Edmund Halley, much to the benefit of all mankind.

634p ngoctu239 27-11-2012 43 3   Download

Having lived with the World Wide Web for twenty years, surfing the Web becomes a way of our life that cannot be separated. From latest news, photo sharing, social activities, to research collaborations and even commercial activities and government affairs, almost all kinds of information are available and processible via the Web. While people are appreciating the great invention, the father of the Web, Sir Tim Berners-Lee, has started the plan for the next generation of the Web, the Semantic Web....

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In the last decades the restless evolution of information and communication technologies (ICT) brought to a deep transformation of our habits. The growth of the Internet and the advances in hardware and software implementations modified our way to communicate and to share information. In this book, an overview of the major issues faced today by researchers in the field of radio communications is given through 35 high quality chapters written by specialists working in universities and research centers all over the world....

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Results from the univariate analysis of prostate cancer mortality and incidence do not take into account the effect of different covariables, which might influence the SMR and SIR. Various covariables where considered to model longitudinal effects: age, calendar year, year of immigration, length of stay in Germany; cohort was considered for the analysis of mortality. Multivariate Poisson regression did not show any significant effect of the considered covariables on mortality (data not shown).

352p ti_du_hoang 13-08-2012 54 4   Download

It is possible to measure effects of different covariables e.g. age, length of stay in Germany, etc. on the SMR and SIR by categorization, but this method is limited because of small sample sizes in subcategories. Another approach classically used in cohort studies is a Poisson regression model, which assesses the effects of different covariables simultaneously. It is based on the Poisson distribution, which is an approximation of the binomial distribution applied in large samples where the probability of the outcome is small.

282p ti_du_hoang 13-08-2012 42 2   Download