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The Hulliger’s robust estimation technique consists in the re-weighting of units identified as outliers through a Robustified Ratio Estimator (RRE), according to which outliers Improving robust ratio estimation in longitudinal surveys with outlier observations 17 contribute to the final...
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Il turismo è un fenomeno fortemente localizzato. Le caratteristiche del territorio ne denotano strutturalmente il profilo e i molteplici modelli di offerta cercano di soddisfare la variabilità dei gusti e delle esigenze dei visitatori. Sulla base della rilevazione ISTAT sul movimento nelle...
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Timeliness is a driving feature of official statistics. In particular, in the short-term statistics framework usually a first provisional release is carried out on the basis of preliminary early respondents, followed by a final release based on late respondents as well. The revision is the...
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Il lavoro propone una selezione organica di dati statistici relativi agli spostamenti internazionali di viaggiatori da e verso stati aderenti all’Unione Europea, derivata dalla fonte EUROSTAT. Con riferimento al periodo 1995-2010 e ad aspetti quali la propensione turistica, il grado...
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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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