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Hierarchical density estimates for data clustering, visualization, and outlier detection
(ACMNew York, 2015-07)
An integrated framework for density-based cluster analysis, outlier detection, and data visualization is introduced in this article. The main module consists of an algorithm to compute hierarchical estimates of the level ...
HIERARCHICAL AND NON-HIERARCHICAL CLUSTERING AND ARTIFICIAL NEURAL NETWORKS FOR THE CHARACTERIZATION OF GROUPS OF FEEDLOT-FINISHED MALE CATTLE
(Inst Zootecnia, 2015-01-01)
The individual experimental results of 1,393 feedlot-finished cattle of different genetic groups obtained at different research institutions were collected. Exploratory multivariate hierarchical analysis was applied, which ...
HIERARCHICAL VERSUS NONHIERARCHICAL PATTERNS OF GENETIC DISTANCES AMONG POPULATIONS - A SIMULATION STUDY
(Soc Brasil Genetica, 1993-09-01)
A simulation study was made of the effects of mixing two evolutionary forces (natural selection and random genetic drift), combined in a single data matrix of gene frequencies, on the resulting genetic distances among ...
Cluster analyses to explore the genetic curve pattern for milk yield of Holstein
(2016-01-01)
Animal selection in dairy cattle can vary depending on the objectives of the breeding programs. The objective of this study was to explore the genetic curve pattern of EBVs for test day milk yields (TDMY) in Holstein cows ...
Multivariate analysis of the temporal variability of sugarcane ripening in south-eastern Brazil
(CSIRO Publishing, 2014-01-01)
Sugarcane ripening is a process controlled by cultivar characteristics and the interaction of genotypes with local climate. The objective of this study was to characterise the temporal variation of sugarcane ripening by ...
Financial distress, financial constraint and investment decision: Evidence from Brazil
(ELSEVIER SCIENCE BV, 2011)
This paper analyses the presence of financial constraint in the investment decisions of 367 Brazilian firms from 1997 to 2004, using a Bayesian econometric model with group-varying parameters. The motivation for this paper ...
Genotype by environment interaction for birth and weaning weights of composite beef cattle in different regions of Brazil
(Elsevier B.V., 2012-11-01)
The objectives of the present study were to characterize and define homogenous production environments of composite beef cattle in Brazil in terms of climatic and geographic variables using multivariate exploratory techniques ...
Genotype by environment interaction for post-weaning weight gain, scrotal circumference, and muscling score of composite beef cattle in different regions of Brazil
(Funpec-editora, 2014-01-01)
The objectives of this study were to characterize and define homogenous production environments of composite beef cattle in Brazil in terms of climatic and geographic variables by using multivariate exploratory techniques; ...
Análises de agrupamento dos valores genéticos para produção de leite e persistência da lactação em bovinos da raça Guzerá
(2016-07-01)
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 in a progeny test. A total of ...
Genotype by environment interaction for birth and weaning weights of composite beef cattle in different regions of Brazil
(ELSEVIER SCIENCE BVAMSTERDAM, 2012)
The objectives of the present study were to characterize and define homogenous production environments of composite beef cattle in Brazil in terms of climatic and geographic variables using multivariate exploratory techniques ...