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(University College Dublin. School of Economics, 2000-04)This paper examines the change in welfare in Ireland over the 1987- 1994 period by investigating whether Lorenz and Generalised Lorenz dominance can be observed for household expenditure data. It also calculates bootstrapped ...
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(University College Dublin. School of Economics, 2005-09)This paper analyses data from the Irish Household Budget Surveys of 1987, 1994 and 1999 to examine the evolution of inequality of income and expenditure over that period. The paper calculates Lorenz and Generalised Lorenz ...
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(BMJ Publishing Group, 2012-10)
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(University College Dublin. School of Economics, 1995)This paper applies the concept of welfare dominance using concentration curves to household data for Ireland. It identifies marginal tax reforms which would be welfare-enhancing for all social welfare functions satisfying ...
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Improving the generalisation ability of genetic programming with semantic similarity based crossover (Springer, 2010)This paper examines the impact of semantic control on the ability of Genetic Programming (GP) to generalise via a semantic based crossover operator (Semantic Similarity based Crossover - SSC). The use of validation sets ...
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Maximum margin decision surfaces for increased generalisation in evolutionary decision tree learning (Springer, 2011-04-27)Decision tree learning is one of the most widely used and practical methods for inductive inference. We present a novel method that increases the generalisation of genetically-induced classification trees, which employ ...
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(University College Dublin. School of Economics, 2004-09)We show that the effects of tariff changes on welfare and import volume can be fully characterised by their effects on the generalised mean and variance of the tariff distribution. Using these tools, we derive new results ...
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Maximum margin decision surfaces for increased generalisation in evolutionary decision tree learning (Springer, 2011-04-27)Decision tree learning is one of the most widely used and practical methods for inductive inference. We present a novel method that increases the generalisation of genetically-induced classification trees, which employ ...
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(Copernicus Publications on behalf of the European Geosciences Union, 2012)This study explores influences on flood frequency distributions in Irish rivers. Generalised Extreme Value (GEV) type I distributions are recommended in Ireland for estimating flood quantiles. This paper presents the ...
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(Springer, 2011-04-27)This paper investigates the effects of early stopping as a method to counteract overfitting in evolutionary data modelling using Genetic Programming. Early stopping has been proposed as a method to avoid model overtraining, ...