Results 51 to 60 of about 3,902,333 (190)

Genetic parameters of traits at the juvenile stage of different assai palm tree progenies [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2018
: The objective of this work was to estimate genetic parameters of traits at the juvenile stage of different assai palm (Euterpe oleracea) tree progenies, as well as to select among and within the most promising for fruit production.
Patricia Cardoso Andrade Navegantes   +2 more
doaj   +1 more source

Accounting for Population Structure and Phenotypes From Relatives in Association Mapping for Farm Animals: A Simulation Study

open access: yesFrontiers in Genetics, 2021
Population structure or genetic relatedness should be considered in genome association studies to avoid spurious association. The most used methods for genome-wide association studies (GWAS) account for population structure but are limited to genotyped ...
Enrico Mancin   +5 more
doaj   +1 more source

D-optimal designs formulti-response linear mixed models [PDF]

open access: yes, 2018
Linear mixed models have become popular in many statistical applications duringrecent years. However design issues for multi-response linear mixed models are rarelydiscussed.
Liu, Xin, Wong, Weng Kee, Yue, Rong-Xian
core  

Generalized Functional Additive Mixed Models

open access: yes, 2016
We propose a comprehensive framework for additive regression models for non-Gaussian functional responses, allowing for multiple (partially) nested or crossed functional random effects with flexible correlation structures for, e.g., spatial, temporal, or
Gertheiss, Jan   +2 more
core   +1 more source

Second-order mixed-moment model with differentiable ansatz function in slab geometry

open access: yes, 2017
We study differentiable mixed-moment models (full zeroth and first moment, half higher moments) for a Fokker-Planck equation in one space dimension.
Schneider, Florian
core   +1 more source

Estimativas de parâmetros e tendências genéticas para algumas características de importância econômica em linhagem paterna de frangos de corte sob seleção Estimates of genetic parameters and trends for performance traits in paternal broiler lineages under selection

open access: yesRevista Brasileira de Zootecnia, 2008
Estimativas dos parâmetros genéticos e fenotípicos de algumas características produtivas em linhagem paterna de matrizes de frango de corte foram obtidas utilizando-se a metodologia de modelos mistos.
Stela Adami Vayego   +2 more
doaj   +1 more source

Genetic parameters and alternatives for evaluation and ranking of Nellore young bulls in pasture performance tests

open access: yesRevista Brasileira de Zootecnia, 2013
The objective of this study was to estimate (co)variance components for weight at 550 days, average daily gain and an index with both traits, and to compare alternatives for evaluation and ranking of Nellore young bulls in pasture performance tests.
Breno de Oliveira Fragomeni   +5 more
doaj   +1 more source

A Mixed Model of Optimal Saving

open access: yes, 2016
This paper proposes a mixed model to study a consumer’s optimal saving in the presence of two types of risk: income risk and background risk. In this model the income risk is represented by a fuzzy number and the background risk by a random variable.
Irina Georgescu   +2 more
openaire   +3 more sources

Multi-environmental evaluation of sorghum hybrids during off-season in Brazil

open access: yesPesquisa Agropecuária Brasileira, 2022
The objective of this work was to simultaneously select pre-commercial grain sorghum hybrids with high adaptability and yield stability, through mixed modeling, in 20 environments, during six years. The evaluated plant material consisted of 57 commercial
Karla Jorge da Silva   +7 more
doaj   +1 more source

Mixed models for longitudinal left-censored repeated measures

open access: yes, 2004
Longitudinal studies could be complicated by left-censored repeated measures. For example, in Human Immunodeficiency Virus infection, there is a detection limit of the assay used to quantify the plasma viral load.
Genz   +18 more
core   +4 more sources

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