نتایج جستجو برای: genetic parameter

تعداد نتایج: 821900  

2007
Jianjun Hu Shaobo Li Erik D. Goodman

This chapter proposes a robust design approach that exploits the openended topological synthesis capability of genetic programming (GP) to evolve robust lowpass and highpass analog filters. Compared with a traditional robust design approach based on genetic algorithms (GAs), the open-ended topology search based on genetic programming and bond graph modeling (GPBG) is shown to be able to evolve ...

Journal: :American journal of human genetics 2002
Michael P Epstein Xihong Lin Michael Boehnke

Ascertainment-adjusted parameter estimates from a genetic analysis are typically assumed to reflect the parameter values in the original population from which the ascertained data were collected. Burton et al. (2000) recently showed that, given unmodeled parameter heterogeneity, the standard ascertainment adjustment leads to biased parameter estimates of the population-based values. This findin...

Journal: :Genome research 2009
Wentian Li Jan Freudenberg

The genome-wide recombination rate (RR) of a species is often described by one parameter, the ratio between total genetic map length (G) and physical map length (P), measured in centimorgans per megabase (cM/Mb). The value of this parameter varies greatly between species, but the cause for these differences is not entirely clear. A constraining factor of overall RR in a species, which may cause...

2004
Gregory Batt Calin Belta Grégory Batt

The lack of precise numerical information for the values of biological parameters severely limits the development of models of genetic regulatory networks. To deal with this problem, we developed a method for the analysis of genetic regulatory networks with parameter uncertainty. More precisely, we consider genetic regulatory network models based on piecewise-multiaffine differential equations,...

In this paper, the gain in LD-CELP speech coding algorithm is predicted using three neural models, that are equipped by genetic and particle swarm optimization (PSO) algorithms to optimize the structure and parameters of neural networks. Elman, multi-layer perceptron (MLP) and fuzzy ARTMAP are the candidate neural models. The optimized number of nodes in the first and second hidden layers of El...

R. Abdullahpour S. Gharahveysi,

Random regression models (RRM) are used for genetic estimations of milk traits in dairy cows. RRM utilize data on traits that are repeated during the time, such as milk trait, which allows of the evaluation of the test day production information. In this study, to estimate genetic parameters for milk production trait, test day records (TDR) were collected from the first lactation of Holstein co...

Abolfazl Adressi, Reza Bashirzadeh Saeed Tasouji Hassanpour Vahid Azizi

Different manufacturing enterprises use regularly scheduling algorithms in order to help meeting demands over time and reducing operational costs. Nowadays, for a better useofresources and manufacturingin accordance withcustomer needs and given the level ofcompetitionbetweencompanies, employing asuitablescheduling programhasa double importance. Conventional productionmethods are constantly subs...

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