Skip to Content 1
Ir para o menu 2
Ir para a busca 3

Portal Embrapa

Language Language

português English
Entrar

Search Publications

Sort by: date | alphabetically


Busca de relações quando o número de variáveis é muito maior que o de observações: o caso de dados hiperespectrais. Author(s): LUIZ, A. J. B.; MAIA, A. de H. N.; SANCHES, I. D. A.; GÜRTLER, S.; SOUZA FILHO, C. R. de Resumo: Experimentos em que são coletadas muitas medidas em cada unidade experimental têm matrizes de dados nas quais o número de colunas (variáveis) é muito maior que o de linhas (observações). Dados... ... Repository: BDPA Publication year: 2015
Detecção de estro através de sistema de cochos e bebedouros eletrônicos em novilhas leiteiras. Author(s): RIBEIRO, A. K. do C.; CAIRO, F. C.; ALBUQUERQUE, B. S. F.; SOARES, G. O.; COMINATO. V.; PEREIRA, B. P.; PAIXÃO, R. Q. da; MACHADO, F. S.; PEREIRA, L. G. R.; TOMICH, T. R.; CAMPOS, M. M. O aumento da atividade das fêmeas bovinas durante o período de estro é responsável pela diminuição do consumo alimentar desses animais. Cochos e bebedouros eletrônicos são capazes de registrar essa va... ... Repository: BDPA Publication year: 2021
A comparison of regression methods based on dimensional reduction for genomic prediction. Author(s): COSTA, J. A. da; AZEVEDO, C. F.; NASCIMENTO, M.; SILVA, F. F. e; RESENDE, M. D. V. de; NASCIMENTO, A. C. C. multicollinearity and high dimensionality problems, making it impossible to obtain stable estimates through the traditional method of estimation based on ordinary least squares. To overcome such chall... ... Repository: BDPA Publication year: 2021
Avaliação da dinâmica do transporte dos bovinos no Pantanal Sul-Matogrossense. Author(s): SILVA, R. A. M. S.; GUTIERREZ, R.; CAPUCCI, M. B. A. O presente trabalho visou definir, caracterizar, classificar os modais de transporte de bovinos e avaliar as atuais condições da infra-estrutura logística dos meios de transporte em quatro sub-regiões... ... Repository: BDPA Publication year: 2010
A non-archimedean dea model to assess group comparisons. Author(s): SOUZA, G. da S. e; GOMES, E. G. We consider the use of the non-Archimedean infinitesimal epsilon in DEA-CCR models. The application of interest is defined by the performance measure of the Brazilian Agricultural Research Corporation... ... Repository: BDPA Publication year: 2016
Simulation of robust adaptive regression multi-level models for quality analysis of special coffees in cold storage. Author(s): MANOEL, I. dos S.; RESENDE, M.; SOUSA, P. H. A.; ROSA, S. D. V. F. da; CIRILLO, M. A. ABSTRACT. Numerous factors contribute to specialty coffee quality, storage and cooling conditions. We may therefore assume that sensory evaluation results can be corrupted by measurement errors, espec... ... Repository: BDPA Publication year: 2024
Distribution of goat breeds in brazil and their relationship with environmental controls. Author(s): McMANUS, C.; HERMUCHE, P.; PAIVA, S. R.; DALTRO, D.; ALFONZO, E. M.; FACO, O. Abstract: The localization of all flocks of purebred goats in Brazil was spatialized in ARCGIS along with climatic (THI, precipitation, topography, relative humidity) and physical environmental contro... ... Repository: BDPA Publication year: 2014
Cluster analysis of breeding values for milk yield and lactation persistency in Guzerá cattle. Author(s): CRUZ, D. A. C. da; SAVEGNAGO, R. P.; SANTANA, A. B. B.; PEIXOTO, M. G. C. D.; BRUNELI, F. A. T.; FARO, L. El ABSTRACT - The aim of this study was to explore the pattern of genetic lactation curves of Guzerá cattle using cluster analysis. Test-day milk yields of 5,274 first-lactation Guzerá cows were recorded... ... Repository: BDPA Publication year: 2016
Assessing the determinants of rural income dispersion in Brazil. Author(s): SOUZA, G. da S. e; GOMES, E. G.; ALVES, E. R. de A. This article has as its objective the analysis of rural income dispersion in Brazil. To this en we fit econometric regression models using the Gini index as the dependent variable, tecnology, and envi... ... Repository: BDPA Publication year: 2015
Lumber volume modeling of Amazon Brazilian species. Author(s): LIMA. R. B. de; FERREIRA, R. L. C.; SILVA, J. A. A. da; GUEDES, M. C.; OLIVEIRA, C. P. de; SILVA, D. A. S. da; SANTOS, R. M.; CARVALHO, E. P. F.; SILVA, R. M. de A. Accurate estimates of lumber volume become an important indicator of production and monetary value for a sawmill. However, such estimates are only obtained directly after logging, and no accurate pred... ... Repository: BDPA Publication year: 2019

Showing 1 - 10 of 97 results.

Observation

Some of Embrapa's publications are published as ePub files. To read them, use or download one of the following free software options to your computer or mobile device. Android: Google Play Books; IOS: iBooks; Windows and Linux: Calibre.

Access other publications

Access the Agricultural Research Database (BDPA) to consult Embrapa's full library collection and records.
Visit Embrapa Bookstore to purchase books and other publications sold by Embrapa.