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Il lavoro propone una raccolta organica di dati statistici relativi agli spostamenti internazionali di viaggiatori da e verso stati europei e, in particolare, stati aderenti all'Unione Europea. Sulla base della sistematizzazione concettuale delle informazioni attualmente disponibili da varie...
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In the complex frame of the EU agriculture politics, a particular relevant aspect is given by the new regulation on durum wheat production and diffusion incentives. These subsidies are assigned according to a particular indicator (Quality Global Index - QGI), built up through a weighted mean of...
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This work remarks the need to carefully evaluate the real importance of each variable used in a multivariate analysis context, with particular regard to cases when an overall performance ranking is the main final purpose. In particular, both a preliminary transformation of variables – aimed at...
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In this context, supposing a sampling survey framework and a model-based approach, the attention has been focused on the main features of the optimal prediction strategy for a population mean, which implies knowledge of some model parameters and functions, normally unknown. In particular, a...
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In the frame of a statistical survey, the identification of non respondent units that should be object with priority of a reminder action (Intensive Follow Up - IFU), with the aim to produce enough good estimates, represents a relevant, but quite not deeply analysed methodological aspect. In...
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