نتایج جستجو برای: bayesian methods usually perform better than gblup and rr

تعداد نتایج: 16989407  

Journal: :Genetics research 2011
Andrés Legarra Christèle Robert-Granié Pascal Croiseau François Guillaume Sébastien Fritz

Empirical experience with genomic selection in dairy cattle suggests that the distribution of the effects of single nucleotide polymorphisms (SNPs) might be far from normality for some traits. An alternative, avoiding the use of arbitrary prior information, is the Bayesian Lasso (BL). Regular BL uses a common variance parameter for residual and SNP effects (BL1Var). We propose here a BL with di...

Journal: :Aquaculture 2021

Bacterial cold water disease (BCWD) causes significant mortality and economic losses in salmonid aquaculture. Previously, we reported high genomic prediction accuracy of 0.72 for BCWD resistance rainbow trout using the 57 K Axiom SNP array. Due to cost phenotyping genotyping breeding programs, it is paramount know if acceptable can be obtained subsequent generation without retraining model. In ...

Journal: :The Journal of Clinical Endocrinology & Metabolism 1996

Journal: :caspian journal of internal medicine 0
reza karbasi-afshar atherosclerosis research center, baqiyatallah university of medical sciences; tehran, iran jafar aslani chemical injuries research center, baqiyatallah university of medical sciences; tehran, iran mostafa ghanei chemical injuries research center, baqiyatallah university of medical sciences; tehran, iran

background: chronic obstructive pulmonary disease (copd) is usually considered one of the leading causes of death worldwide, so finding proper therapeutic strategies for this disease is of high importance. in this meta-analysis, we reviewed the existing literature on the efficacy and safety of conventional long acting beta agonists (labas) in copd patients. methods: we searched medline and goog...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده حقوق 1389

abstract the third millennium has started, but the world is facing with serious challenges in achieving international security and peace. various human rights violations have lead the states to find means to protect human rights. also article 55 of the united nations charter introduces the respect to human rights and fundamental freedom as the most suitable ways to realize peace and security. ...

Sample size determination is important in all statistical studies including longitudinal studies. This is usually done by considering a target power to reduce the costs of sampling. Choosing the right sample size using efficient methods, ensures that the researcher achieve goal of the study, by spending the least amount of energy, time and money. In this article, using a method based on simulat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

the current study examined iranian undergraduate efl students’ willingness to communicate with regard to their vocabulary knowledge. in general, participants were somewhat willing to communicate in english. the total mean score of 730 university students’ perception of willing to communicate was 83.53 out of 135. results, regarding four parts of willingness to communicate, revealed that part...

Journal: :iranian journal of medical physics 0
a. boroomand m.sc. in biomedical engineering, tehran university of medical sciences, tehran, iran a. ahmadian associate professor, physics and biomedical engineering dept., tehran university of medical sciences, tehran, iran research center for science & technology in medicine, imam khomeini hospital, tehran, iran m.a. oghabian associate professor, physics and biomedical engineering dept., tehran university of medical sciences, tehran, iran

introduction: the accuracy of analyzing functional mri (fmri) data is usually decreases in the presence of noise and artifact sources. a common solution in for analyzing fmri data having high noise is to use suitable preprocessing methods with the aim of data denoising. some effects of preprocessing methods on the parametric methods such as general linear model (glm) have previously been evalua...

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