analysis estimation of parameters of diversity and linkage disequilibrium
báo cáo khoa học: " Nucleotide diversity and linkage disequilibrium in 11 expressed resistance candidate genes in Lolium perenne" ppt
... the nucleotide diversity within and between different resistance candidate genes, (3) determine the extent and structure of LD within these genes, and (4) discuss the prospects of candidategene ... findings of this study are in agreement with high levels of genetic diversity within the out-crossing species Lolium perenne The pairwise nucleotide diversity for our sample of genes and genotypes of ... Alignment data for each candidate gene were used for nucleotide diversity and linkage disequilibrium (LD) analysis DnaSP version [40] was used for the following analyses Nucleotide diversity was evaluated...
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Báo cáo khoa học: "Joint and conditional estimation of tagging and parsing models∗" docx
... Vincent Della Pietra, and John Lafferty 1997 Inducing features of random fields IEEE Transactions on Pattern Analysis and Machine Intelligence, 19(4):380–393 John E Hopcroft and Jeffrey D Ullman ... Lari and S.J Young 1990 The estimation of Stochastic Context-Free Grammars using the Inside-Outside algorithm Computer Speech and Language, 4(35-56) Andrew McCallum, Dayne Freitag, and Fernando ... likelihood P(y) and conditional likelihood P(y|x) of the ATIS1 training trees, and the marginal likelihood P(x) of the ATIS1 training strings, as well as the labelled precision and recall of the ATIS2...
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Báo cáo sinh học: " Research Article Interactions between Uterine EMG at Different Sites Investigated Using Wavelet Analysis: Comparison of Pregnancy and Labor Contractions" pdf
... P Morucci, H Grandjean, and R Favretto, “External recording and processing of fast electrical activity of the uterus in human parturition,” Medical and Biological Engineering and Computing, vol ... case of WLCC and bootstraps in the case of CWCF The choice of the type of surrogates depends on the way the surrogate is resampled in the particular method We used the bootstraps in the case of ... Terrien, B Karlsson, and C Marque, “Coherence and phase relationship analysis of the two main frequency components of EHG, as observed by complex wavelet transform,” in Proceedings of the World Congress...
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Báo cáo hóa học: "Research Article Low-Complexity Estimation of CFO and Frequency Independent I/Q Mismatch for OFDM Systems" pdf
... baseband processing Compensation xQ (n) sin φ estimator Proposed joint estimation Figure 1: Block diagram of an OFDM system showing CFO and I/Q mismatch, and the proposed estimators MSE of cos φ and ... the reception of the guarding intervals of the next OFDM block, estimation and compensation of the CFO and I/Q imbalance can be processed The cosine estimator provides an estimate of cos φ based ... estimate The rest of the paper is organized as follows Section formulates the problem of CFO and I/Q mismatch estimation in OFDM systems In Section 3, the proposed CFO and I/Q mismatch estimation schemes...
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Báo cáo hóa học: "MAP Estimation of Chin and Cheek Contours in Video Sequences" pot
... OF CHIN AND CHEEK CONTOURS For representing the shape of chin and cheek contours, a parametric 2D model for these contours is introduced The estimation of chin and cheek contours is done by estimation ... estimation of the unknown parameters a = (aW , aV )T , b = (bW , bV )T , and c = (cW , cV )T For simplification, these parameters are summarized to a parameter vector MAP Estimation of Chin and ... )T The determination of the estimate value fcheek is MAP Estimation of Chin and Cheek Contours in Video Sequences 917 Table 1: Upper and lower bounds for chin and cheek parameters LEE denotes...
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Analytical and numerical thermal buckling analysis investigation of unidirectional and woven reinforcement composite plate structural
... =number of warp yarns per meter, n2 =number of fill yarns per meter And, E1w , E2w , G12 w , and ν12 w are mechanical properties of woven fabrics in and 2-directions; and E1 , E2 , G12 , and ν12 ... Analysis, Stress Analysis under Static and Dynamic Loading, Composite Materials, Fatigue and Creep Analysis of Engineering Materials, Mechanical Properties of Engineering Materials, Control and ... solution of critical buckling temperature of orthotropic unidirectional and woven composite plate with different aspect ratio of plate, volume fraction of reinforcement fiber and types of reinforcement...
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Estimation of mean and variance response surfaces in robust parameter design
... the problems of estimation of the mean and variance models, and the design of the data collection and experiment plans to optimize the estimation of the models The remaining parts of this chapter ... Specification of Levels of the Noise variables 23 2.4 Estimation of the Mean and Variance Models and Propagation of Sampling Error 26 2.4.1 Example 2.1 28 ii 2.4.2 Relationship Between Coefficients of Response ... mean and variance models that integrates planning of the combined array experiment with planning of the estimation of the means and covariances of the noise variables Within the framework of the...
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Báo cáo khoa hoc:" Simulation analysis to test the influence of model adequacy and data structure on the estimation of genetic parameters for traits with direct and maternal effects" ppsx
... a ratio of one male for twenty females The offspring were generated according to a prolificacy of 115% Each year, 1/3 of the males and 1/5 of the females were replaced by offspring at random The ... four levels of pedigree information (100, 50, 20 and 10% of paternity known) and degree of genetic differences among flocks (GD0, GD10, GD20 and GD30) The average and the empirical standard deviation ... hand, of genetic and environmental effects, and on the other hand, genetic effects among the latter, and provides greater precision 387 Model adequacy and data structure Table VI Estimated parameters...
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Optimization of design and operating parameters on the year round performance of a multi-stage evacuated solar desalination system using transient mathematical analysis
... occurs in the month of March of 955.56 W/m2 at 13:00 and minimum in December of 705.56 W/m2 at 12:00 Whereas ambient temperature is maximum of 36.1oC at 13:00 in the month of May and minimum ambient ... distillate yield by considering the effect of various design and operating parameters on the performance and thermal characteristics of the system Description of the multi-stage evacuated solar desalination ... is refined latent heat of vaporization of water at the condenser surface of last stage (J/kg), h fgNs is latent heat of vaporization of water at the condenser surface of the last stage (J/kg),...
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Báo cáo hóa học: " Unscented Kalman filter with parameter identifiability analysis for the estimation of multiple parameters in kinetic models" pptx
... method because of its ease of implementation and straightforward analysis We applied this orthogonal method of parameter identifiability to determine the set of identifiable parameters and then applied ... v (3) Page of where f, X and Y are as described in (1) and (2), h describes an incomplete and noisy observation model, and both w and v are uncorrelated white noises of the system and measurement ... order of the highest to the lowest sensitivity To make the adjustment of the net influence of each of the remaining parameters on the already selected parameters, all of the original columns of...
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Báo cáo hóa học: "Research Article A Geometrical-Based Model for Cochannel Interference Analysis and Capacity Estimation of CDMA Cellular Systems" pot
... absolute, eP , and the mean relative, εP , estimation errors are defined from (20) and (21) substituting f [i] and [i] [i] fsim with P [i] and Psim , that is, the values of probability of interference ... Tarhini and T Chahed, “On capacity of OFDMA-based IEEE802.16 WiMAX including adaptive modulation and coding (AMC) and inter-cell interference,” in Proceedings of the 15th IEEE Workshop on Local and ... probability of the AoA of the interfering signals at the BS is proportional to the area E(φ) of the polygon defined from the axis that connects the BSs of the desired and the interfering cell, BS0 and...
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Báo cáo khoa hoc:" Estimation of the genetic parameters of sexual dimorphism of body weight in ’label’ chickens and Muscovy ducks" potx
... therefore to estimate genetic parameters of sexual dimorphism and to investigate the possibility of modifying it by selection This involved estimation of genetic parameters of growth traits in both ... whether the same genes were expressed in males and females The results of this analysis were used to calculate genetic parameters of and of the ratio of the trait expressed in males to the trait ... for this analysis 2.3 Estimation of genetic parameters The genetic parameters of sexual dimorphism were estimated in the second step Heritability was calculated using the classic formula of (co)variance...
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Báo cáo khoa hoc:" EM-REML estimation of covariance parameters in Gaussian mixed models for longitudinal data analysis" docx
... ln p(x|γ) of x as a function of γ Here L(γ; x) can be decomposed as the sum of the log-likelihood of u as a function of g and of the log-likelihood of ε∗ = y − Xβ − Zu as a function of r, L(γ; ... Since the pioneer work of Laird and Ware [13] and of Diggle [3], random effects models [17] have been the cornerstone of statistical analysis used in biometry for this kind of data In fact, as well ... same number of parameters which cannot be compared There are two models with two parameters (models and 2) and also two with three parameters (models and 4) The same occurs with four parameters...
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Báo cáo sinh học: " Power and parameter estimation of complex segregation analysis under a finite locus model" pot
... other genes and thus violate the assumption of independent segregation of a major gene and polygenes The objective of this paper was to study the effect of violation of the two assumptions of the ... segregation analysis, namely a skewed polygenic distribution and linkage between a major gene and polygenes, on the power of detecting a major gene and on parameter estimation Behavior of the mixed ... assumptions of the underlying model, in particular a normal distribution of polygenic effects and no linkage between a major gene and polygenes Similarity in the power of both methods of segregation analysis...
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Báo cáo sinh học: "Bayesian estimation of dispersion parameters with a reduced animal model including polygenic and QTL effects" pot
... denote the set of location parameters parameters (b, u and v) and dispersion We consider the following two parameterizations for the dispersion parameters where and In the first, the parameters are ... terms of heritability We prefer the part-whole ratios hand y The components or 2and
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báo cáo khoa học: " High levels of nucleotide diversity and fast decline of linkage disequilibrium in rye (Secale cereale L.) genes involved in frost response" doc
... number of SNPs (N = 30), of which ten were non-synonymous and three led to an exchange of amino acids of different polarity The first intron and second exon comprising 20% of the coding sequence of ... High level of nucleotide and haplotype diversity in rye We investigated the genetic diversity of five winter rye populations from Middle and Eastern Europe SNP frequency and nucleotide diversity ... excluded from all analyses Linkage disequilibrium Linkage disequilibrium was measured by the parameter r [47] for candidate genes and SSR markers using DnaSP v5.10 and TASSEL v2.1, respectively,...
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báo cáo khoa học: " Identification of Single Nucleotide Polymorphisms and analysis of Linkage Disequilibrium in sunflower elite inbred lines using the candidate gene approach" docx
... [46] and of 81 RFLP loci in 10 inbred lines [47] However, further investigation of the nature, frequency and distribution of sequence variation is still needed to better understand the range of diversity ... nucleotide diversity and LD estimates to those previously reported for wild and cultivated sunflower Results SNPs frequency and nucleotide diversity A total of 64 candidate regions related to biotic and ... structure and linkage disequilibrium in elite maize inbred lines BMC Genetics 2002, 3:19 Garris AJ, McCouch SR, Kresovich S: Population structure and its effect on haplotype diversity and linkage disequilibrium...
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Báo cáo y học: "Meta-analysis of genome-wide linkage studies of asthma and related traits" potx
... contributed to the design of the study and the writing of the manuscript JB and IPH contributed to the design of the study and the writing of the manuscript All authors read and approved the final ... cohorts in the public domain This analysis combines data from 10 years of asthma and atopy genetics and is extremely timely providing a definitive analysis of available linkage data to complement the ... aggregation and heritability estimates vary between 36–79% [2] A greater understanding of the genetic basis of asthma and atopy holds great promise for the identification of novel therapeutic targets Linkage...
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Báo cáo sinh học: " Estimation of crossbreeding parameters between Large White and Meishan porcine breeds. III. Dominance and epistatic components of heterosis on reproductive traits" pptx
... design of records of fixed effects of random genetic effects of sows of random permanent environmental effects of random residual effects matrices relating records to the appropriate fixed or random ... the number of records and r the rank of X Under the null hypothesis that K 13 / 0, S has a central F distribution with s and (n - r) degrees of freedom = Estimation of crossbreeding parameters ... show an effect of 0.5 piglet with a type I error rate of 5% and a power of 90% are as large as 14 000 and 500 This is clearly the main reason why experimental studies of components of heterosis...
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Báo cáo sinh học: "Multivariate restricted maximum likelihood estimation of genetic parameters for growth, carcass and meat quality traits in French Large White and French Landrace pigs A Ducos JP Bidanel V" ppsx
... vector of observations for the traits, b is the vector of fixed effects, p is the vector of litter effects, a is the vector of additive genetic values of animals, e is the vector of residuals and ... increasing power of computers and the appearance of general purpose software such as &dquo;PEST&dquo; (Groeneveld et al, 1990), or &dquo;PIGBLUP&dquo; (Brandt, 1990) On the other hand, the use of multivariate ... Animals and data recording Genetic evaluation of centrally tested pigs in France is currently based on a combined selection index involving performance of the candidate for selection and of full-sib...
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