Author(s): VIEIRA, F. D.; OLIVEIRA, S. R. de M.; PAIVA, S. R.

O objetivo deste trabalho foi desenvolver uma metodologia baseada em técnicas de mineração de dados para selecionar os principais marcadores SNP (Single Nucleotide Polymorphism) para as raças de ovino... ...

Repository: BDPA     Publication year: 2015

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

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

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

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

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

Author(s): QUILOANGO-CHIMARRO, C. A.; COELHO, R. D.; COSTA, J. de O.; GUNDIM, A. da S.; HEINEMANN, A. B.

Water stress negatively affects upland rice production. The objective of this study was to identify physiological traits that could depict yield responses under water stress conditions. Three modern u... ...

Repository: BDPA     Publication year: 2023

Author(s): VIEIRA, F. D.; OLIVEIRA, S. R. de M.

Este artigo apresenta um conjunto de modelos baseados em técnicas de mineração de dados para selecionar os principais marcadores SNP (Single Nucleotide Polymorphism) para as raças de ovinos Crioula, M... ...

Repository: BDPA     Publication year: 2015

Author(s): OLIVEIRA, G. F.; NASCIMENTO, A. C. C.; AZEVEDO, C. F.; CELERI, M. de O.; BARROSO, L. M. A.; SANT’ANNA, I. de C.; VIANA, J. M. S.; RESENDE, M. D. V. de; NASCIMENTO, M.

The aim of this study was to evaluate the performance of Quantile Regression (QR) in Genome-Wide Association Studies (GWAS) regarding the ability to detect QTLs (Quantitative Trait Locus) associated w... ...

Repository: BDPA     Publication year: 2023

Author(s): ARRUDA, D. C. de; DUCATI, J. R.; PITHAN, P. A.; HOFF, R.

Quality and yield of a vineyard are related to canopy biomass and leaf vigor, and proximal techniques have been used as alternatives to conventional methods to estimate these parameters. Knowledge on... ...

Repository: BDPA     Publication year: 2024