Results 21 to 30 of about 102,158 (225)

Estimadores de componentes de variância em delineamento de blocos aumentados com tratamentos novos de uma ou mais populações Estimators of variance components in the augmented block design with new treatments from one or more populations

open access: yesPesquisa Agropecuária Brasileira, 2001
O objetivo do trabalho foi comparar, por meio de simulação, as estimativas de componentes de variância produzidas pelos métodos ANOVA (análise da variância), ML (máxima verossimilhança), REML (máxima verossimilhança restrita) e MIVQUE(0) (estimador ...
João Batista Duarte   +2 more
doaj   +1 more source

Parasite abundance and its determinants in fishes from Brazil: an eco-epidemiological approach

open access: yesRevista Brasileira de Parasitologia Veterinária, 2016
The variability in parasite abundance has an ecological basis; however, from an epidemiological point of view, the contribution of factors inherent to the host to the variability in parasite abundance remains an open question.
Cristina Fernandes do Amarante   +3 more
doaj   +1 more source

Modelos log-Birnbaum-Saunders mistos [PDF]

open access: yes, 2015
The aim of this work is to introduce the log-Birnbaum-Saunders mixed models (log-BS mixed models) and to extend the results to log-Birnbaum-Saunders Student-t mixed models (log-BS-t mixed models). The log-BS models are well-known since the work by Rieck e Nedelman (1991) and particularly have received great attention in the last 10 years with various ...
openaire   +1 more source

Formulação de Elementos Finitos Estabilizados para Estruturas Flexíveis no Espaço 3D

open access: yesTrends in Computational and Applied Mathematics, 2006
Apresentamos um modelo computacional para estruturas flexíveis de geometria arbitrária no espaço tridimensional com a cinemática governada pela teoria de barras com flexão, cisalhamento, torção e efeito de membrana.
A.J.B. Santos   +2 more
doaj   +1 more source

Genetic evaluation of Eucalyptus camaldulensis in Mato Grosso State, Brazil Avaliação genética de Eucalyptus camaldulensis no Estado de Mato Grosso

open access: yesPesquisa Florestal Brasileira, 2012
<p>The study aimed to estimate parameters, values and genetic gain for growth traits in progenies of Eucalyptus camaldulensis, in the State of Mato Grosso.
Reginaldo Brito da Costa   +6 more
doaj   +1 more source

ESTIMATES OF GENETIC PARAMETERS USING RELM/BLUP FOR INTRA-POPULATIONAL GENETIC BREEDING OF Platonia insignis Mart.

open access: yesRevista Árvore
The aim of this study was to estimate genetic parameters to support the selection of bacuri progenies for a first cycle of recurrent selection, using the REML/BLUP (restricted maximum likelihood/best linear unbiased prediction) procedure to estimate the ...
Maria Clideana Cabral Maia   +5 more
doaj   +1 more source

Uma proposta alternativa para a análise de experimentos de campo utilizando a geoestatística An alternative proposal to the analysis of field experiments using geostatistics

open access: yesCiência e Agrotecnologia, 2004
Com este trabalho, objetivou-se apresentar uma metodologia para a análise de experimentos de campo, utilizando a geoestatística (erros correlacionados) articulada com a análise convencional (erros independentes).
José Marcelo Pontes   +1 more
doaj   +1 more source

Climate‐induced shifts in long‐term tropical tree reproductive phenology: Insights from species dependent on and independent of biotic pollination

open access: yesFunctional Ecology, Volume 40, Issue 5, Page 1286-1298, May 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract The dependence on biotic pollination may constrain plant phenological responses because flowering time ultimately defines reproductive success. We proposed a local‐scale study combining long‐term phenology and experimental data to evaluate how a key functional trait—the
Amanda Eburneo Martins   +3 more
wiley   +1 more source

Estimação de modelos lineares gerais mistos utilizando o SAS® [PDF]

open access: yes, 2012
O Modelo Linear Geral Misto (MLGM) enquadra-se numa classe de modelos que tem sido tradicionalmente analisada através de procedimentos de análise de ...
Ferreira, Lara N., Pereira, Luis Nobre
core  

Simulation of mixed models in augmented block design Simulação de modelos mistos no delineamento em blocos aumentado

open access: yesScientia Agricola, 2002
The augmented block design is widely used in breeding programs, with non-replicated treatments generally being selection units, and replicated treatments being standard cultivars. Originally, an intrablock analysis (fixed model) was proposed.
Aladir Horacio Santos   +3 more
doaj   +1 more source

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