Estimation of variance components and intraclass correlations
Maximum likelihood estimation of variance components
... the variance components model can be used to describe data arising in fields as diverse as designed experiments in agriculture and observational studies in the social ...the estimation of ...
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A NOTE ON ESTIMATION OF VARIANCE COMPONENTS BY MAXIMIZATION
... the estimation of variance components in the one-way repeated measurements model (one-way- RMM),which contains one within- units factor incorporating one random effects one between- units factor as ...
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On non-negative estimation of variance components in mixed linear models
... the variance components according to Iterative Almost Unbiased Estimation ...of estimation, is depicted corresponding to all the studied ...
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Fixed Effects and Variance Components Estimation in Three-Level Meta-Analysis
... the estimation of variance components of random effects at the third ...between-researcher variance of study-specific effect size ...unit variance is different from zero and there are ...
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Estimation of ratios of variance components in the unbalanced one way random effects model
... The point estimation of the ratio of variance components and the intraclass correlation coefficient for the unbalanced one way random ef- fects model are considered.. ANOVA, REML, ML, MI[r] ...
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Estimation of variance components, heritability and the ridge penalty in high-dimensional generalized linear models
... to estimation of multiple variance components or penalty parameters, which was addressed by iterative likelihood minorization (Zhou et ...moment estimation (Van de Wiel et ...of ...
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Estimation of variance components and breeding values
... In addition, 40% of the excluded records in the raw data were shorter than 240 days which may cause a bias in the genetic trend estimation. The Russian Federation and the Leningrad region are not members of ICAR ...
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Simulation Studies on Estimation of Variance Components for Multilevel Models
... By assuming that the bias of the estimator with respect to the original sample is close to the bias of the estimator of the resamples of the artificial population, we study a procedur[r] ...
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Estimation of Epistatic Variance Components and Heritability in Founder Populations and Crosses
... of variance attributable to genetic interactions, which is difficult to measure in outbred ...the variance decomposition to include ...the variance from pairwise interactions with samples of a few ...
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Estimation of variance components for carcass and production traits in Guzerat cattle
... genetic variance component, 2 e : residual variance component, REA: rib eye area, BFT: backfat thickness, RFT: rump fat thickness, IMF: intramuscular fat percentage, DMI: dry matter intake, ADG: average ...
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ESTIMATION OF VARIANCE COMPONENTS OF INTERNODE LENGTH IN A CLONED POPULATION OF MIMULUS GUTTATUS
... With respect to the relative usefulness of these analyses, the clonal analysis provides good estimates of the environmental component of variance, the total genetic c[r] ...
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Estimation of (co) variance components and genetic parameters for growth traits in Arman sheep
... Keywords: maternal effects, body weights, animal model, (co) variance components Received: 2 Jan. 2013, accepted: 5 Mar. 2013, published online: 28 Apr. 2013 Introduction Small ruminants play an important ...
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Bayesian estimation of (co) variance components in Argentinian Brangus for carcass traits using the FCG algorithm
... Data on 2273 Brangus young bulls and heifers were used to estimate heritabilities (h 2 ) and genetics and environmental correlations for ultrasound carcass measures. Records were from the genetic evaluation ...
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Confidence intervals for intraclass correlation coefficients in variance components models
... bootstrapping variance components, the complexity of multiple clusters, and the diversity of bootstrap ...on variance components has been discussed in the literature, 39 indicating that ...
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Quantifying intraclass correlations for nonnegative traits
... Received zzz, revised zzz, accepted zzz The intraclass correlation is an important quantity in various areas of application. It is estimated based on fitting a model to hierarchical data and leads, in turn, to ...
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Estimation of additive and dominance variance for litter size components in rabbits
... 2001). Estimation of the dominance component requires a large number of full-sibs which is avail- able for multipara species such as fish, poultry, and ...nonadditive variance components and ...
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MM Algorithms for Variance Components Models.
... for Variance Components ...the variance from different ...likelihood estimation and restricted maximum likelihood estimation of variance component models remain numerically ...
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Methods of variance component estimation
... ABSTRACT: Estimation of variance components is a method often used in population genetics and applied in animal ...of variance component ...
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Variance Components of Models of Sudoku Square Design
... Variance components are different sources to the variation in an observation and are commonly estimated in the course of determining sampling design, establishing quality control procedure or in statistical ...
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On the Sampling Variance of Intraclass Correlations and Genetic Correlations
... sampling variance of intraclass correlations and genetic correlation coefficients were reviewed for small and large sample ...sampling variance of the intraclass correlation, it was ...
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