Estimating Models
Mostrando 13-24 de 249 artigos, teses e dissertações.
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13. Modeling residual biomass from mechanized wood harvesting with data measured by forest harvester
Abstract: The lack of accurate models for estimating residual biomass in wood harvesting operations results in underutilization of this co-product by forestry companies. Due to the lack of this information, forestry operations planning, such as chipping and transport logistics, are influenced, with a consequent increase in costs. Thereby, the aim of this stu
An. Acad. Bras. Ciênc.. Publicado em: 02/12/2019
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14. Pain catastrophizing: rumination is a discriminating factor among individuals with different pain characteristic
Abstract: The objective of this study was to compare the scores of the Helplessness, Magnification, Rumination, and Catastrophizing factors of the Pain Catastrophizing Scale (PCS) between samples with different pain characteristics. The psychometric properties of the PCS were evaluated in 1,151 Brazilian adults (78.9% female; 38.6 (SD = 10.8) years): 335 had
Braz. oral res.. Publicado em: 02/12/2019
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15. Estimating credit and profit scoring of a Brazilian credit union with logistic regression and machine-learning techniques
Abstract Purpose Although credit unions are nonprofit organizations, their objectives depend on the efficient management of their resources and credit risk aligned with the principles of the cooperative doctrine. This paper aims to propose the combined use of credit scoring and profit scoring to increase the effectiveness of the loan-granting process in cre
RAUSP Manag. J.. Publicado em: 25/11/2019
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16. Natural convection drying kinetics of ‘Prata’ and ‘D’água’ banana cultivars (Musa ssp) by nonlinear regression models
Resumo A bananeira está entre as frutíferas mais plantadas em países tropicais e pertence ao grupo de frutos mais consumidos do mundo; entretanto, necessitam de técnicas de conservação adequadas. Objetivou-se descrever a cinética de secagem de bananas Prata e D’água nas temperaturas de 40 e 70°C, comparando os modelos de regressão Henderson, EST
Rev. Bras. Frutic.. Publicado em: 14/11/2019
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17. Estimating Above-Ground Biomass of Araucaria angustifolia (Bertol.) Kuntze Using LiDAR Data
ABSTRACT The objective of this study was to test the performance of canopy data obtained from Airborne Laser Scanner (ALS) in generating estimates of above-ground biomass (AGB) of Araucaria angustifolia (Bertol.) Kuntze individuals. A cloud of ALS points located in a fragment of native urban forest in Curitiba, Paraná was used. The procedures consisted of:
Floresta Ambient.. Publicado em: 23/09/2019
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18. Influence of Particles Size on NIR Spectroscopic Estimations of Charcoal Properties
ABSTRACT The objective of this study was to evaluate the influence of particle size of charcoal samples on the predictive model statistics of charcoal chemical composition based on the NIR spectroscopy. Spectra of Acacia and of Eucalyptus charcoal were collected in the 100, 60 and 40 mesh granulometry, besides the powder remaining at the bottom of the sieves
Floresta Ambient.. Publicado em: 09/09/2019
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19. PEDOFUNCTIONS APPLIED TO THE LEAST LIMITING WATER RANGE TO ESTIMATE SOIL WATER CONTENT AT SPECIFIC POTENTIALS
ABSTRACT The least limiting water range (LLWR) is a soil physical quality indicator that receives much attention. It has been criticized and put to the test regarding mathematical models that compose it since they describe the behavior of soil physical attributes in a simplified way. This study aimed to assess the efficiency of some pedofunctions proposed in
Eng. Agríc.. Publicado em: 12/08/2019
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20. The Generalized Odd Lindley-G Family: Properties and Applications
Abstract: We introduce a new class of continuous distributions called the generalized odd Lindley-G family. Four special models of the new family are provided. Some explicit expressions for the quantile and generating functions, ordinary and incomplete moments, order statistics and Rényi and Shannon entropies are derived. The maximum likelihood method is us
An. Acad. Bras. Ciênc.. Publicado em: 12/08/2019
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21. ESTIMATING THE DEMAND FOR BROADBAND SERVICES IN BRAZIL: ANALYSIS BY A DISCRETE-CHOICE MODEL
RESUMO A análise empírica estima a demanda por banda larga fixa residencial no Brasil por meio do modelo de escolha discreta Nested Logit. Os resultados indicam que a demanda é elástica. A elasticidade preço da demanda é maior para os municípios que contam com mais de um grupo econômico ofertando banda larga. Esse resultado é intuitivo na medida que
Rev. econ. contemp.. Publicado em: 29/07/2019
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22. Association between the Diet Quality Index Adapted for Pregnant Women (IQDAG) and excess maternal body weight
Resumo Objetivos: investigar a relação entre o Índice de Qualidade da Dieta Adaptado para Gestantes (IQDAG) e o excesso de peso materno. Métodos: estudo transversal conduzido entre 754 gestantes adultas em Ribeirão Preto, SP, entre 2011 e 2012. Os critérios propostos por Atalah foram empregados para a classificação do índice de massa corporal (IMC
Rev. Bras. Saude Mater. Infant.. Publicado em: 22/07/2019
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23. Processo e resultado do cuidado pré-natal segundo os modelos de atenção primária: estudo de coorte
Objetivo: avaliar indicadores de processo e resultado do cuidado pré-natal desenvolvido na atenção primária comparando os modelos de atenção tradicional e Estratégia Saúde da Família. Método: estudo de coorte, realizado com amostra intencional de 273 mães/bebês captados no período neonatal e acompanhados por um ano. Adotou-se referencial de av
Rev. Latino-Am. Enfermagem. Publicado em: 18/07/2019
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24. Characterization of venturi injector using dimensional analysis
RESUMO Injetores Venturi são comumente empregados para fins de fertirrigação na agricultura, extraindo fertilizante de um tanque para a linha de irrigação. O conhecimento da quantidade de líquido a ser injetado por este dispositivo é útil para assegurar operação e manejo adequados da fertirrigação. Os objetivos desta pesquisa foram: (1) conduzir
Rev. bras. eng. agríc. ambient.. Publicado em: 10/07/2019