Joint estimation of covariance matrix via cholesky decomposition
Joint estimation of covariance matrix via cholesky decomposition
... JOINT ESTIMATION OF COVARIANCE MATRIX VIA CHOLESKY DECOMPOSITION JIANG XIAOJUN (B.Sc Peking University of China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF STATISTICS ... |A|1 l1 norm of matrix A Vec(A) The vectorization of matrix A ||A|| The singular value of matrix A which equals the square root of maximal eigenvalue of AA...
báo cáo hóa học:" Efficient methods for joint estimation of multiple fundamental frequencies in music signals" docx
... score of each combination The method aims to enforce the pitch continuity in time For this, the fundamental frequencies of each combination C are mapped into music pitches, obtaining a pitch combination ... learning √ √ √ √ Unsupervised learning Unsupervised learning √ √ Joint estimation √ Joint estimation + f0 tracking √ Signal processing √ [55] Signal processing The pr...
Báo cáo hóa học: " Research Article Burst Format Design for Optimum Joint Estimation of Doppler-Shift and Doppler-Rate in Packet Satellite Communications" ppt
... -1st 2P subburstd P Payload -2nd 2P subburstP P L Payload P L Figure 1: 2P burst format, 3P burst format, and 4P burst format [12–14], but only for joint carrier phase /Doppler-shift estimation ... number of subgroups of data symbols In the sequel we find the values of x that minimize the VCRBs of ν and α, for fixed values of L, N, and M In the case of...
Báo cáo hóa học: " Research Article Joint Estimation of Mutual Coupling, Element Factor, and Phase Center in Antenna Arrays" pdf
... “Direction finding in the presence of mutual coupling, IEEE Transactions on Antennas and Propagation, vol 39, no 3, pp 273–284, 1991 [11] T Su, K Dandekar, and H Ling, “Simulation of mutual coupling effect ... y , and f (θ) are unknown One of the novel aspects of the proposed estimator is the inclusion of the element factor, f (θ), as a jointly unknown parameter durin...
Báo cáo khoa hoc:" EM-REML estimation of covariance parameters in Gaussian mixed models for longitudinal data analysis" docx
... within individuals generated by several models for the analysis of facial growth in 11 girls and 16 boys 138 J.-L Foulley et al 139 EM-REML for longitudinal data POW) However, since the value of ... powerful tool for calculating maximum likelihood estimates of dispersion parameters even when the covariance matrix V is not linear in the parameters as postulated...
Báo cáo sinh học: "Effects of data structure on the estimation of covariance functions to describe genotype by environment interactions in a reaction norm model" potx
... partly solved by calculating EP based on for instance 50 animals that calved consecutively in one herd, rather than based on herd-year Changing the data structure from the default situation by ... trait models Therefore, the application of CF is of interest to take G × E into account for example in international breeding value estimation, or to investigate the...
Báo cáo sinh học: "Estimation of covariance components between one continuous and one binary trait" pot
... choose a set of starting values g and rI set [t] = and [s] 1; ; 2) one round of (6) to get an improved estimate of 0g = gI r r1 ], t one step each of (10) and (12) to get a new set of parameters ... DISCUSSION A method has been presented for the estimation of variances and covariances for the simplest case of one continuous and one binary trait Theoretical...
Shrinkage estimation of nonlinear models and covariance matrix
... SHRINKAGE ESTIMATION OF NONLINEAR MODELS AND COVARIANCE MATRIX JIANG QIAN (B.Sc and M.Sc Nanjing University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF STATISTICS ... consider a way of simplifying a model through variate clustering Extension of the approach to the estimation of covariance matrix will 13 1.2 Research Objectives...
Báo cáo khoa học: "Joint and conditional estimation of tagging and parsing models∗" docx
... 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 ... tiny training and test corpus In order to avoid the computational difficulty of conditional estimation, we compared closely related (but not identical) HMM tagging and...
Báo cáo hóa học: " Comparison of regression models for estimation of isometric wrist joint torques using surface electromyography" potx
... Cite this article as: Ziai and Menon: Comparison of regression models for estimation of isometric wrist joint torques using surface electromyography Journal of NeuroEngineering and Rehabilitation ... [2,3] Performance of five different models for estimation of isometric wrist flexion and extension torques are compared: a physiological based model (P...
Báo cáo hóa học: "Research Article A Joint Time-Frequency and Matrix Decomposition Feature Extraction Methodology for Pathological Voice Classification" doc
... essential for feature analysis and pattern classification In this paper, we presented a joint TF and MD feature extraction approach for pathological voice classification The proposed methodology extracts ... Berry, M Browne, A N Langville, V P Pauca, and R J Plemmons, “Algorithms and applications for approximate nonnegative matrix factorization,” Computational...
Báo cáo hóa học: " Research Article Decoupled Estimation of 2D DOA for Coherently Distributed Sources Using 3D Matrix Pencil Method" pptx
... estimation of 2D DOA for coherently distributed sources, ” Signal Processing, vol 83, no 8, pp 1789–1802, 2003 [5] G Y Zhang and T Bin, Estimation of 2D- DOAs and angular spreads for coherently distributed ... elevation DOA of coherently distributed source Note that because the angular information of coherently distributed source is separated from angula...
Báo cáo hóa học: " A New Algorithm for Joint Range-DOA-Frequency Estimation of Near-Field Sources" docx
... derive a new algorithm for joint estimation of the range, DOA, and frequency parameters For convenience of statement, i , (27) where angle(·) denotes the phase angle operator According to the assumption ... estimation accuracy since it makes full use of the information ¯ of the matrices C and C [11] CONCLUSION [12] Based on a symmetric uniform linear array, a compu...
Báo cáo khoa hoc:" A rapid method for computing the inverse of the gametic covariance matrix between relatives for a marked " pdf
... separately The objective of the present paper is to develop a rapid method to obtain the inverse of the covariance matrix of the additive effects of a marked QTL in the case of complete marker ... elements of the inverse are discussed TABULAR METHODS FOR THE COVARIANCE MATRIX AND THE INVERSE The covariance of marked QTL (MQTL) ef...
Báo cáo sinh học: " Estimation of variance components of threshold characters by marginal posterior modes and means via " pptx
... model The marginal posterior mode of heritability was computed by a grid search of the Rao-Blackwell estimate (eg, Gelfand et al, 1990) of the marginal posterior density of aand a change of variable ... (reciprocals of marginal likelihoods) and the MCMPM estimates of heritability for each of the data sets and the lengths of the sampler The estimates of the...
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