نتایج جستجو برای: quantitative models

تعداد نتایج: 1194951  

2012
Akihiro Nakaya Sachiko N. Isobe

BACKGROUND Genomic selection or genome-wide selection (GS) has been highlighted as a new approach for marker-assisted selection (MAS) in recent years. GS is a form of MAS that selects favourable individuals based on genomic estimated breeding values. Previous studies have suggested the utility of GS, especially for capturing small-effect quantitative trait loci, but GS has not become a popular ...

Journal: :Genetics 2004
Daniel Gianola Daniel Sorensen

Multivariate models are of great importance in theoretical and applied quantitative genetics. We extend quantitative genetic theory to accommodate situations in which there is linear feedback or recursiveness between the phenotypes involved in a multivariate system, assuming an infinitesimal, additive, model of inheritance. It is shown that structural parameters defining a simultaneous or recur...

Journal: :Biometrics 2006
Mengling Liu Wenbin Lu Yongzhao Shao

Interval mapping using normal mixture models has been an important tool for analyzing quantitative traits in experimental organisms. When the primary phenotype is time-to-event, it is natural to use survival models such as Cox's proportional hazards model instead of normal mixtures to model the phenotype distribution. An extra challenge for modeling time-to-event data is that the underlying pop...

Journal: :Genetics 1996
S Xu W R Atchley

A composite interval gene mapping procedure for complex binary disease traits is proposed in this paper. The binary trait of interest is assumed to be controlled by an underlying liability that is normally distributed. The liability is treated as a typical quantitative character and thus described by the usual quantitative genetics model. Translation from the liability into a binary (disease) p...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی 1387

abstract this paper discusses several commonly used models for strategic marketing¹ including market environmental analysis methods (i.e. swot and pest analysis) and strategic marketing tools and techniques (i.e. boston matrix and shell directional policy matrix)and shows how these models may help a firm to achieve its strategic goals. at first, the main reason for doing this research is de...

Journal: :Journal of causal inference 2023

Abstract We propose quantitative probing as a model-agnostic framework for validating causal models in the presence of domain knowledge. The method is constructed analogy to train/test split correlation-based machine learning. It consistent with logic scientific discovery and enhances current validation strategies. effectiveness illustrated using Pearl’s sprinkler example, before thorough simul...

Journal: :Journal of Urban Economics 2021

We show that spatial equilibrium conditions in workhorse models of quantitative economics (QSE) can be generated by the McFadden (1974) model together with condition individual choice probability a region equals population share region. Thus, recent QSE and one oldest location rationalize same change following shocks to economic fundamentals. However, their welfare implications—even conditional...

Journal: :The Journal of the Acoustical Society of America 1989

Journal: :Nonlinear Analysis: Real World Applications 2017

Journal: :Genetics 2010
D Habier L R Totir R L Fernando

Information from cosegregation of marker and QTL alleles, in addition to linkage disequilibrium (LD), can improve genomic selection. Variance components linear models have been proposed for this purpose, but accommodating dominance and epistasis is not straightforward with them. A full-Bayesian analysis of a mixture genetic model is favorable in this respect, but is computationally infeasible f...

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