Results 11 to 20 of about 658,858 (308)

Prediction in Multivariate Mixed Linear Models [PDF]

open access: yesJOURNAL OF THE JAPAN STATISTICAL SOCIETY, 2003
Summary: In the multivariate mixed linear model or multivariate components of variance model with equal replications, this paper addresses the problem of predicting the sum of the regression mean and the random effects. When the feasible best linear unbiased predictors or empirical Bayes predictors are used, this prediction problem reduces to the ...
Tatsuka Kubokawa, M. S. Srivastava
openaire   +4 more sources

Fitting Linear Mixed-Effects Models Using lme4

open access: yesJournal of Statistical Software, 2015
Maximum likelihood or restricted maximum likelihood (REML) estimates of the parameters in linear mixed-effects models can be determined using the lmer function in the lme4 package for R. As for most model-fitting functions in R, the model is described in
Douglas Bates   +3 more
doaj   +2 more sources

On non-negative estimation of variance components in mixed linear models [PDF]

open access: yesJournal of Advanced Research, 2016
Alternative estimators have been derived for estimating the variance components according to Iterative Almost Unbiased Estimation (IAUE). As a result two modified IAUEs are introduced.
Heba A. El Leithy   +2 more
doaj   +2 more sources

POWERLIB: SAS/IML Software for Computing Power in Multivariate Linear Models

open access: yesJournal of Statistical Software, 2009
The POWERLIB SAS/IML software provides convenient power calculations for a widerange of multivariate linear models with Gaussian errors. The software includes the Box,Geisser-Greenhouse, Huynh-Feldt, and uncorrected tests in the univariate" approach ...
Jacqueline L. Johnson   +5 more
doaj   +1 more source

partR2: partitioning R2 in generalized linear mixed models [PDF]

open access: yesPeerJ, 2021
The coefficient of determination R2 quantifies the amount of variance explained by regression coefficients in a linear model. It can be seen as the fixed-effects complement to the repeatability R (intra-class correlation) for the variance explained by ...
Martin A. Stoffel   +2 more
doaj   +2 more sources

Gradient boosting for linear mixed models [PDF]

open access: yesThe International Journal of Biostatistics, 2021
Abstract Gradient boosting from the field of statistical learning is widely known as a powerful framework for estimation and selection of predictor effects in various regression models by adapting concepts from classification theory.
Griesbach, Colin   +2 more
openaire   +5 more sources

Linear mixed models [PDF]

open access: yes, 2022
AbstractThe linear mixed model framework is explained in detail in this chapter. We explore three methods of parameter estimation (maximum likelihood, EM algorithm, and REML) and illustrate how genomic-enabled predictions are performed under this framework.
Osval Antonio Montesinos López   +2 more
  +4 more sources

BLMM: Parallelised computing for big linear mixed models

open access: yesNeuroImage, 2022
Within neuroimaging large-scale, shared datasets are becoming increasingly commonplace, challenging existing tools both in terms of overall scale and complexity of the study designs.
Thomas Maullin-Sapey, Thomas E. Nichols
doaj   +1 more source

Linear quantile mixed models [PDF]

open access: yesStatistics and Computing, 2013
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
GERACI M, BOTTAI M
openaire   +3 more sources

Variable Selection for Generalized Linear Mixed Models by L1-Penalized Estimation [PDF]

open access: yes, 2011
Generalized linear mixed models are a widely used tool for modeling longitudinal data. However, their use is typically restricted to few covariates, because the presence of many predictors yields unstable estimates.
Groll, Andreas
core   +3 more sources

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