Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 58 for “"HA Statistics"”.
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Bayesian mixture modelling of migration by founder analysis
… of migration from one region into another using phased, non-recombined sequence data from the present. The assumption is made that migration occurs in multiple waves and that during each migration period, a number of sequences, called `founder sequences', migrate into the new region. It is first …
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An evaluation of small-area statistical methods for detecting excess risk: with applications in breast and colon cancer mortality in Scotland 1986-1995
… both health-conscious and environmentally aware, statistics at small-area level have a high degree of political significance. This type of data is required to plan and implement regional policies and apportion health care in accordance to the differing needs of the population. Recent advances in …
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Aspects of population Markov chain Monte Carlo and reversible jump Markov chain Monte Carlo
… consists ideas of two new population Markov chain Monte Carlo algorithms and an automatic proposal mechanism for the Reversible jump Markov chain Monte Carlo algorithm.
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Stochastic modelling of gene regulation with microRNAs
… with a view to explore and predict the stochasticity in gene expression and to review the hypothesis that, in addition to reducing levels of target mRNA and proteins, microRNAs tune down the noise in protein output. Previously, it has been shown that other factors such as activation and …
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Feasibility study into accurately modelling sulphur dioxide flux in the lower atmosphere
… and crops. Since the 1960s monitoring networks have been created, linked to international protocols regulating emissions of pollutants such as sulphur and nitrogen and also to validation studies of large-scale atmospheric transport models. One such monitoring site in the UK is at Auchencorth …
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Bayesian analysis of finite mixture distributions using the allocation sampler
… into components from which they are assumed to have arisen. In certain settings these groups have a physical interpretation. The interest in these distributions has been boosted recently because of the ever increasing computer power available to researchers to carry out the computationally …
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Environmental exposures and cardiovascular morbidity in Scotland: a study of the effects of air pollution on health
Air pollution has been an ongoing problem around the world for centuries. It was brought to the public's attention in the mid 1900s with the London Smog which resulted in approximately 3000 excess deaths. Since then, there have been numerous studies carried out to determine the extent to which air …
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Good practice for formative assessment and feedback in statistics courses
… students are clear on where they went wrong and what they can improve in the future. Without useful feedback students continue to make similar mistakes. However mathematical subjects such as Statistics appear to place less emphasis on feedback compared to other subjects. Statistics has made steady …
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Extending the clinical and economic evaluations of a randomised controlled trial: The IONA Study
… In order to satisfy these demands new treatments have to be developed. This can be a long and expensive process. Before any new treatment can come to market it has to be proved to be both clinically effective and economically cost-effective. With limited health care resources the …
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Random Projection Optimal Trees Ensemble
… by the combination of multiple weak learners, have been shown to outperform ordinary classification methods in that the former decrease bias, variance and/or improve predictions. These classifiers, however, can still result in low prediction performance when used with the wrong choice of their …
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Evaluating mode differences in longitudinal data. Moving to a mixed mode paradigm of survey methodology
… longitudinal studies, a special type of survey that applies questionnaires repeatedly to the same respondents. In this PhD I investigate if and how collecting information using different modes can impact data quality in panel studies. Chapters 2 and 3 investigate how a sequential telephone - …
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A study of the use of linked routinely collected administrative data at the local level to count and profile populations
There is increasing evidence that official population statistics are inaccurate at the local authority level, the fundamental administrative unit of the UK. The main source of official population statistics in the UK comes from the decennial census, last undertaken in 2011. The methodology and …
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In-sample forecasting: structured models and reserving
… into effect in the beginning of 2016, states that those liabilities should be estimated with ‘realistic assumption’ using ‘relevant actuarial and statistical methods’. However, modern statistics has not found its way in the reserving departments of today’s insurance companies. This thesis …
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The applicability of statistical techniques to credit portfolios with specific reference to the use of risk theory in banking
… in credit portfolio management, with emphasis on actuarial and risk theoretic pricing and reserving measures. The bank corporate loan portfolio is envisaged as an insurance collective, with margins charged for credit risk forming premium income, provisions made forming claims outgo, and …
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Optimal inspection and maintenance for stochastically deteriorating systems
… of maintenance and inspection for stochastically deteriorating systems. The motivation for this thesis is the problem of determining condition based maintenance policies, for systems whose degradation may be modelled by a continuous time stochastic process. Our emphasis is mainly on …
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Labour supply problems and solutions: econometric model for the State of Bahrain
… to implement significant economic and social changes, and their full, or partial, sponsorship of intensive training programmes, neither have the human resources available been exploited to their full potential, nor have the vocational training programmes managed to equip unemployed workers with …
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Pension fund valuation
… covers three main areas; the funding mechanism, investment and matching and control of the fund. In the part dealing with the funding mechanism, a model is introduced in order to assist analyses of the mechanism of a pension fund. The model notionally separates the fund into individual …
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Stochastic Models for Triangular Tables with Applications to Cohort Data and Claims Reserving
Stochastic models for triangular data are derived and applied to claims reserving data. The standard actuarial technique, the so-called "chain-ladder technique" is given a sound statistical foundation and considered as a linear model. This linear model, the '"Chain Ladder Linear Model" is extended …
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EXPLORING STATISTICAL CLASSIFICATION, GIS ANALYSIS AND MAPPING OF HERBIVORE BEHAVIOURS USING ACCELEROMETERS AND HIGH ACCURACY GPS
Electronic sensors equipped with accelerometers have the potential to remotely monitor and record herbivore behaviours. In the UK, sheep are a significant consumer in both managed pasture and upland ecosystems. The ability to automatically collect behavioural data could help inform research into …
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