Multiresolution Analysis of the Wheat Production in Brazil Using Wavelets
Journal Title: International Journal of Engineering and Science Invention - Year 2017, Vol 6, Issue 7
Abstract
Currently wheat production in Brazil is concentrated in the states of Paraná (PR) and Rio Grande do Sul (RS), which together total more than 90% of production. However, the states of Goiás (GO), Minas Gerais (MG), São Paulo (SP) and Santa Catarina (SC) are also responsible for the supply of wheat. The geographical extent of crop distribution and the different climatic, edaphoclimatic and cultural practices, originate products with different technological quality standards. The domestic commercialization of wheat flour is made in a 1 kg package of paper or plastic and is used for the preparation of cakes and other homemade confectionery products. It is noteworthy that in recent years the consumption of wheat flour is increasing in Brazil. In this work the analysis of multiresolution of wheat production in Brazil (annual) will be done, totaling 86 observations between the years 1931 and 2016, in order to verify the information that each level brings. By means of this analysis, the most gentle decomposition level corresponding to the series (area harvested from wheat in Brazil) was identified and the energy concentration at each analyzed level was verified.
Authors and Affiliations
Leila Maria Ferreira, Fernando Ribeiro Cassiano, Thelma Sáfadi, e Renato Ribeiro de Lima
Keywords
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