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	Provedor de dados AgEcon (1) Autor Caceres-Hernandez, Jose Juan (1) Martin-Rodriguez, Gloria (1) Palavra-chave C22 (1) Demand and Price Analysis (1) Heterogeneous seasonal patterns (1) Q17 (1) Research Methods/ Statistical Methods (1) Splines (1) Weekly data (1) Mais... Tipo do documento Conference Paper or Presentation (1) Ano 2009 (1) País United States (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última The Proportion of the Seasonal Period as a Season Index in Weekly Agricultural Data AgEcon Martin-Rodriguez, Gloria; Caceres-Hernandez, Jose Juan. In this paper a seasonal model is proposed to deal with weekly agricultural seasonal patterns in which neither the length of the seasonal period nor the magnitude of the seasonal effects remain the same over time. To model this heterogeneous seasonal behaviour, the seasonal effect at a season is defined as a function of the proportion of the length of the seasonal period elapsed up to this season, and the seasonal pattern is modelled by means of evolving splines. The methodology is illustrated for weekly Canary tomato prices. Tipo: Conference Paper or Presentation Palavras-chave: Weekly data; Heterogeneous seasonal patterns; Splines; Demand and Price Analysis; Research Methods/ Statistical Methods; C22; Q17. Ano: 2009 URL: http://purl.umn.edu/49956 Registros recuperados: 1 Primeira ... 1 ... Última

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