نتایج جستجو برای: genetic correlation
تعداد نتایج: 984819 فیلتر نتایج به سال:
This paper revisits past works on tness distance correlation (FDC) in relation to genetic algorithms (GA) performance , and puts forth evidence that this statistical measure is relevant to predict the performance of a GA. We propose an interpretation of Hamming-distance based FDC, which takes into account the GA dynamics and the eeects of crossover operator. We base this proposition on the noti...
Genetic Correlation Between Schizophrenia and Epilepsy Neuropathological, clinical, and epidemiological data suggest that schizophrenia and epilepsy are associated.1 Reported estimates of the prevalence of schizophrenia among people with epilepsy vary, depending on phenotypic definition, but may be around 7%.2 One hypothesis to account for the relationship is that the 2 diseases share a common ...
The increasing number of genetic association studies conducted in multiple populations provides an unprecedented opportunity to study how the genetic architecture of complex phenotypes varies between populations, a problem important for both medical and population genetics. Here, we have developed a method for estimating the transethnic genetic correlation: the correlation of causal-variant eff...
Genetic correlation coefficients between egg quality traits were studied using fiftysix harco pullets raised under standard management practices. The estimates were carried out at 22-week, 26-week, 30-week and 32-week of age. Egg quality traits studied include egg weight (EW), shell thickness (ST), haugh unit (HU), yolk index (YI) and shape index (SI). Zero to slight negative correlation coeffi...
با وجود حجم بالای اطلاعات متنی، نیازمند سیستمی کارا جهت دسته بندی خودکار متون داریم. بنابراین، باید دسته بندی را طوری انجام داد که ضمن افزایش دقت، سبب کاهش زمان و هزینه شود. فرایند دسته بندی متون دارای گامهای پیش پردازش، وزن دهی، کاهش ویژگی و دسته بندی است که برای هر گام روشهای مختلفی تا کنون ارائه شده است. یکی از گامهای تعیین کننده در دسته بندی، کاهش ویژگیها است. این موضوع در زبان فارسی به...
Sugarcane breeding programs require 15 years of experimentation to create more productive cultivars, and estimates genetic progress can indicate the efficiency programs. In this study, we used a diversity panel, Brazilian Panel Genotypes (BPSG), with following objectives: (i) estimate, through mixed model, adjusted means parameters ten traits evaluated over three harvest years; (ii) estimate ge...
With the increase of network scale and complexity structure, problems traditional Internet have emerged. At same time, appearance function virtualization (NFV) technologies has largely solved this problem, they can effectively split according to application requirements, flexibly provide functions when needed. During development virtual network, how improve performance, including reducing cost ...
Assessment of genetic diversity and individual relationships in rice (Oryza sativa) germplasm collections seems to be necessary for future rice breeding program. In order to understand genetic relationships of 30 rice genotypes, nine morphological traits, seven physicochemical properties and twelve RAPD primers were used for study of 30 rice genotypes. Among morphological traits, numbe...
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