نتایج جستجو برای: BayesA

تعداد نتایج: 32  

2012
Xiaochen Sun Long Qu Dorian J. Garrick Jack C. M. Dekkers Rohan L. Fernando

Prediction accuracies of estimated breeding values for economically important traits are expected to benefit from genomic information. Single nucleotide polymorphism (SNP) panels used in genomic prediction are increasing in density, but the Markov Chain Monte Carlo (MCMC) estimation of SNP effects can be quite time consuming or slow to converge when a large number of SNPs are fitted simultaneou...

2013
Yuancheng Li Ruixian Yang

To forecast the short-term wind power precisely, this paper proposes a hybrid strategy which consists of a nonlinear dimensionality reduction component by auto-encoder network and a forecasting component based on Sparse Bayesian Regression optimized by Artificial Bee Colony Optimization. The proposed model can predict wind power curve per hour with a lead time of 3hours. Finally, an experiment ...

Journal: :Genetics 2012
Wenzhao Yang Robert J Tempelman

Hierarchical mixed effects models have been demonstrated to be powerful for predicting genomic merit of livestock and plants, on the basis of high-density single-nucleotide polymorphism (SNP) marker panels, and their use is being increasingly advocated for genomic predictions in human health. Two particularly popular approaches, labeled BayesA and BayesB, are based on specifying all SNP-associa...

Journal: :Genetics 2012
Yi Jia Jean-Luc Jannink

Genetic correlations between quantitative traits measured in many breeding programs are pervasive. These correlations indicate that measurements of one trait carry information on other traits. Current single-trait (univariate) genomic selection does not take advantage of this information. Multivariate genomic selection on multiple traits could accomplish this but has been little explored and te...

2012
Chong-Long Wang Pei-Pei Ma Zhe Zhang Xiang-Dong Ding Jian-Feng Liu Wei-Xuan Fu Zi-Qing Weng Qin Zhang

BACKGROUND Genomic breeding value estimation is the key step in genomic selection. Among many approaches, BLUP methods and Bayesian methods are most commonly used for estimating genomic breeding values. Here, we applied two BLUP methods, TABLUP and GBLUP, and three Bayesian methods, BayesA, BayesB and BayesCπ, to the common dataset provided by the 15th QTL-MAS Workshop to evaluate and compare t...

Journal: :Euphytica 2021

Abstract Genetic improvement of quality traits in tea ( Camellia sinensis (L.) O. Kuntze) through conventional breeding methods has been limited, because is a difficult and expensive trait to measure. Genomic selection (GS) suitable for predicting such complex traits, as it uses genome wide markers estimate the genetic values individuals. We compared prediction accuracies six genomic models inc...

Journal: :Crop Breeding and Applied Biotechnology 2022

Bayesian approaches applied in association studies select regions of single-nucleotide polymorphisms, indicating genes with important effects. The methods differ terms the distribution assumed for marker Here, we used window posterior probability to detect potential regions. present study evaluated efficiency these identifying located close genes. Data were simulated six scenarios. Considering ...

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