Results 71 to 80 of about 3,902,333 (190)

Generic mixed columnar-plaquette phases in Rokhsar-Kivelson models

open access: yes, 2007
We revisit the phase diagram of Rokhsar-Kivelson models, which are used in fields such as superconductivity, frustrated magnetism, cold bosons, and the physics of Josephson junction arrays.
Moessner, R., Poilblanc, D., Ralko, A.
core   +1 more source

Mixed Methods for Mixed Models

open access: yes, 2014
This work bridges the frequentist and Bayesian approaches to mixed models by borrowing the best features from both camps: point estimation procedures are combined with priors to obtain accurate, fast inference while posterior simulation techniques are developed that approximate the likelihood with great precision for the purposes of assessing ...
openaire   +2 more sources

Adaptabilidade e estabilidade da produção de borracha e seleção em progênies de seringueira Adaptability and stability of rubber production and selection in rubber tree progenies

open access: yesPesquisa Agropecuária Brasileira, 2009
Os objetivos deste trabalho foram determinar a interação genótipo x ambiente e a estabilidade e adaptabilidade da produção de borracha em progênies de seringueira (Hevea brasiliensis (Willd. ex A. Juss.) Müll. Arg.), bem como estimar o ganho genético com
Cecília Khusala Verardi   +3 more
doaj   +1 more source

Efficiency of indirect selection for green biomass production of Urochloa ruziziensis

open access: yesCrop Breeding and Applied Biotechnology, 2022
We aimed to measure the efficiency of visual selection of plant vigor for green biomass production of U. ruziziensis using single- and multitrait approaches to maximize the predictive accuracy of the genetic value.
Flavia Maria Avelar Gonçalves   +6 more
doaj  

A Tensor Approach to Learning Mixed Membership Community Models [PDF]

open access: yes, 2013
Community detection is the task of detecting hidden communities from observed interactions. Guaranteed community detection has so far been mostly limited to models with non-overlapping communities such as the stochastic block model.
Anandkumar, Anima   +3 more
core   +2 more sources

Using lexical variables to predict picture-naming errors in jargon aphasia

open access: yesFrontiers in Psychology, 2015
Introduction Individuals with jargon aphasia produce fluent output which often comprises high proportions of non-word errors (e.g., maf for dog). Research has been devoted to identifying the underlying mechanisms behind such output.
Catherine Godbold
doaj   +1 more source

DGA-Models of variations of mixed Hodge structures

open access: yes, 2018
We define objects over Morgan's mixed Hodge diagrams which will be algebraic models of unipotent variations of mixed hodge structures over K\"ahler manifolds.
Kasuya, Hisashi
core  

Covariate random effects on the CD4 count variation during HIV disease progression in women

open access: yesHIV/AIDS: Research and Palliative Care, 2019
Partson Tinarwo, Temesgen Zewotir, Delia NorthSchool of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, Durban, South AfricaPurpose: To investigate the variation in CD4 count between HIV positive patients due to clinical ...
Tinarwo P, Zewotir T, North D
doaj  

EM-REML estimation of covariance parameters in Gaussian mixed models for longitudinal data analysis

open access: yesGenetics Selection Evolution, 2000
This paper presents procedures for implementing the EM algorithm to compute REML estimates of variance covariance components in Gaussian mixed models for longitudinal data analysis.
Robert-Granié Christèle   +2 more
doaj   +1 more source

Selection indexes in the simultaneous increment of yield components in topcross hybrids of green maize [PDF]

open access: yesPesquisa Agropecuária Brasileira
: The objective of this work was to define the most suitable selective strategy for the simultaneous increment of yield components of green maize, by comparing three selection indexes weighted by economic weights and by the REML/BLUP method, in the ...
Willame dos Santos Candido   +6 more
doaj   +2 more sources

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