نتایج جستجو برای: parametric methods

تعداد نتایج: 1922157  

P Katibeh, S Kazemi

Background: Migraine headache without aura is the most common type of migraine especially among pediatric patients. It has always been a great challenge of migraine diagnosis using quantitative electroencephalography measurements through feature classification. It has been proven that different feature extraction and classification methods vary in terms of performance regarding detection and di...

A. Ayatollahi Mehrgardi, A. Sheikhy A.K. Esmailizadeh M. Assadi Foozi M. Momen

A simulation study was conducted to address the issue of how purely additive (simple) genetic architecture might impact on the efficacy of parametric and non-parametric genomic prediction methods. For this purpose, we simulated a trait with narrow sense heritability h2= 0.3, with only additive genetic effects for 300 loci in order to compare the predictive ability of 14 more practically used ge...

The Standardized Precipitation Index (SPI) is the most common index for drought monitoring. Although the calculation of this index is usually done by using the gamma distribution fitting of precipitation data, studies have shown that for accurate monitoring of drought, the optimal distribution of precipitation in each month should be determined. On the other hand, in non-stationary time series,...

Journal: :تولیدات دامی 0
یحیی محمدی دانشجوی دکتری، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه فردوسی مشهد، ایران محمد مهدی شریعتی استادیار، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه فردوسی مشهد، ایران سعید زره داران استاد، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه فردوسی مشهد، ایران محمد رزم کبیر استادیار، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه کردستان، ایران محمدباقر صیادنژاد مرکز اصلاح نژآد و بهبود تولیدات دامی کشور محمدباقر زندی مرکز اصلاح نژآد و بهبود تولیدات دامی کشور

genomic selection (gs) is a tool for prediction of breeding values for quantitative traits. for a successful application of gs, accuracy of predicted genomic breeding value (gebv) is a key issue to consider. here we investigated the accuracy of gebv in 345 genotyped iranian holstein cattle. the study was performed on milk, fat, protein yield and somatic cell count. four methods g-blup, bayes b,...

Journal: :SIAM J. Imaging Sciences 2011
Alireza Aghasi Misha Elena Kilmer Eric L. Miller

In this paper, a parametric level set method for reconstruction of obstacles in general inverse problems is considered. General evolution equations for the reconstruction of unknown obstacles are derived in terms of the underlying level set parameters. We show that using the appropriate form of parameterizing the level set function results a significantly lower dimensional problem, which bypass...

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