نتایج جستجو برای: linear mixed effects modelling lmm
تعداد نتایج: 2289214 فیلتر نتایج به سال:
We present a new method for formulating closures that learn from kinetic simulation data. apply this to phase mixing in simple gyrokinetic turbulent system – temperature-gradient-driven turbulence an unsheared slab. The closure, called the learned multi-mode (LMM) is constructed by, first, extracting optimal basis nonlinear using singular value decomposition. Subsequent fluid simulations are pr...
In this article we introduce a latent variable model (LVM) for mixed ordinal and continuous responses, where covariate effects on the continuous latent variables are modelled through a flexible semiparametric predictor. We extend existing LVM with simple linear covariate effects by including nonparametric components for nonlinear effects of continuous covariates and interactions with other cova...
In this article we introduce a latent variable model (LVM) for mixed ordinal and continuous responses, where covariate effects on the continuous latent variables are modelled through a flexible semiparametric predictor. We extend existing LVM with simple linear covariate effects by including nonparametric components for nonlinear effects of continuous covariates and interactions with other cova...
background:growth is one of the most important indices in child health. the best and most effective way to investigate child health is measuring the physical growth indices such as weight, height and head circumference. among these measures, weight growth is the simplest and the most effective way to determine child growth status. weight trend at a given age is the result of cumulative growth e...
BACKGROUND Both genetic and environmental factors contribute to risk of depression, but estimates of their relative contributions are limited. Commonalities between clinically-assessed major depressive disorder (MDD) and self-declared depression (SDD) are also unclear. METHODS Using data from a large Scottish family-based cohort (GS:SFHS, N=19,994), we estimated the genetic and environmental ...
Aim of the study: To assess structure, recruitment and mortality rates tree species over almost three decades, 14 years before 15 after a forest fire.
 Material methods: All trees ≥ 5 cm in DBH were identified measured 12 permanent plots (50 m x 50 m), 1983, 1987, 1989, 1995, 2008, 2012 dense ombrophilous Eastern Amazon, Brazil. The analyses carried out including all sampled their ecologic...
In the last few years, a bewildering variety of methods/software packages that use linear mixed models to account for sample relatedness on the basis of genome-wide genomic information have been proposed. We compared these approaches as implemented in the programs EMMAX, FaST-LMM, Gemma, and GenABEL (FASTA/GRAMMAR-Gamma) on the Genetic Analysis Workshop 18 data. All methods performed quite simi...
Generalized linear models (GLMs) represent a class of fixed effects regression models for several types of dependent variables (i.e., continuous, dichotomous, counts). McCullagh and Nelder [32] describe these in great detail and indicate that the term ‘generalized linear model’ is due to Nelder and Wedderburn [35] who described how a collection of seemingly disparate statistical techniques coul...
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