Báo cáo sinh học: "Marginal maximum likelihood estimation of variance components in Poisson mixed models using Laplacian integration" ppt

... PPX 1 and u9 x 1 to each Original article Marginal maximum likelihood estimation of variance components in Poisson mixed models using Laplacian integration RJ Tempelman D Gianola 1 ... marginal maximum likelihood estimation of variance components in a Poisson mixed model based on Laplace’s method of integration, as suggested by L...

Ngày tải lên: 14/08/2014, 19:22

... restricted maximum likeli- hood (co )variance component estimation package, in: Proceedings of an EC Sympo- sium on Application of Mixed Linear Models in the Prediction of Genetic ... results in a factorization step as in the following In the presence of rounding errors (or in case of near dependence) we obtain entries of order...

Ngày tải lên: 09/08/2014, 18:22

... repeated measurements in estimation of breeding values. Livest. Prod. Sci. 15, 315-324 Simianer H. (1986b) Restricted maximum likelihood estimation of variances and covariances from ... vector of (transformed) sire and residual variance and covariance components) . Computations of the 1, matrix was made using Meyer’s algorithm (1983a) and...

Ngày tải lên: 14/08/2014, 20:20

... for models fitting several random effects. Maximum likelihood estimation involves, by definition, location of the maximum of the likelihood function for a given set of data, ... in mind when assembling the likelihood. MAXIMIZING THE LIKELIHOOD Choice of a strategy to locate the maximum of the likelihood function, or equiva- lently...

Ngày tải lên: 14/08/2014, 20:20

... negative estimates of variance components to zero and continue iterating. Partial sweeping of B to handle boundary constraints, monitoring and restraining the size of pivots relative to ... Univ of Guelph, Guelph, ON, Canada, 365-369 Misztal I (1990) Restricted maximum likelihood estimation of variance components in animal models using...

Ngày tải lên: 09/08/2014, 18:22

... K., 1986. Estimation of variance components : What is missing in the EM algorithm ? J. Stat. Comput. Simulation (in press). Appendix A. Method of scoring Utilizing that PVP ... of levels or Restricted Maximum Likelihood to estimate variance components for mixed models with two random factors Karin MEYER lnstitute of Animal Genetics, U...

Ngày tải lên: 09/08/2014, 22:22

... dominance, the genetic variance of offspring conditional on parental polygenotype is not equal to half of the additive genetic variance but also contains dominance variance, ... genetic variance equal to the total genetic variance (additive + dominance) of the other nine loci in the corresponding finite locus model. The polygenic effect...

Ngày tải lên: 09/08/2014, 18:22

... [38] showed that estimation of linear functions of variance components, similar in form to mean squares between random effects in balanced analyses of variance, instead of the variance components could ... reduced rank estimation of covariance matrices by restricted maximum likelihood, fitting the leading principal components only. Convergence behaviour of the...

Ngày tải lên: 14/08/2014, 13:22

... the private for profit sector and 21% the private not for profit sector. Of 186 students who preferred the public sector, 36% indicated the intention of combining a public sector job with work in the private ... planned in the "2003–2005 Strategic Plan of the Faculty" is currently being implemented [2]. Concerning the selection of medical students, there are – in sever...

Ngày tải lên: 18/06/2014, 17:20

... implications As the training consists to a large extent in compensating for shortcomings of the medical school-based training, a reasonable approach would be to incorporate this kind of training in the basic ... continuing training, mentoring ) affecting job satisfaction. Conclusion: Training increasing self confidence and self esteem of rural practitioners may contribute to retenti...

Ngày tải lên: 18/06/2014, 17:20