Narrow search
Showing 1 - 10 of 5,215
Cover Image
Spatial Panel Data Model with error dependence: a Bayesian Separable Covariance Approach
Leorato, Samantha; Mezzetti, Maura - Centro di Studi Internazionali Sull'Economia e la … - 2015
A hierarchical Bayesian model for spatial panel data is proposed. The idea behind the proposed method is to analyze … spatially dependent panel data by means of a separable covariance matrix. Let us indicate the observations as yit, i = 1,...,N …
Persistent link: https://www.econbiz.de/10011249492
Cover Image
Discussing the “big n problem”
Lasinio, Giovanna Jona; Mastrantonio, Gianluca; … - In: Statistical Methods and Applications 22 (2013) 1, pp. 97-112
When a large amount of spatial data is available computational and modeling challenges arise and they are often labeled as “big n problem”. In this work we present a brief review of the literature. Then we focus on two approaches, respectively based on stochastic partial differential...
Persistent link: https://www.econbiz.de/10010998684
Cover Image
A primer on disease mapping and ecological regression using <InlineEquation ID="IEq1"> <EquationSource Format="TEX">$${\texttt{INLA}}$$</EquationSource> </InlineEquation>
Schrödle, Birgit; Held, Leonhard - In: Computational Statistics 26 (2011) 2, pp. 241-258
Persistent link: https://www.econbiz.de/10009149748
Cover Image
Bayesian computing with INLA: New features
Martins, Thiago G.; Simpson, Daniel; Lindgren, Finn; … - In: Computational Statistics & Data Analysis 67 (2013) C, pp. 68-83
The INLA approach for approximate Bayesian inference for latent Gaussian models has been shown to give fast and … accurate estimates of posterior marginals and also to be a valuable tool in practice via the R-package R-INLA. New developments … in the R-INLA are formalized and it is shown how these features greatly extend the scope of models that can be analyzed …
Persistent link: https://www.econbiz.de/10011056405
Cover Image
Extension of some important identities in shrinkage-pretest strategies
Nkurunziza, Sévérien - In: Metrika 76 (2013) 7, pp. 937-947
In this paper, we establish three identities which play a crucial role in deriving the asymptotic distributional risk function and the asymptotic distributional bias of a large class of estimators of a matrix parameter. In particular, we generalize the results in Judge and Bock (The statistical...
Persistent link: https://www.econbiz.de/10010995154
Cover Image
Spatial design matrices and associated quadratic forms: structure and properties
Hillier, Grant; Martellosio, Federico - Volkswirtschaftliche Fakultät, … - 2006
The paper provides significant simplifications and extensions of results obtained by Gorsich, Genton, and Strang (J. Multivariate Anal. 80 (2002) 138) on the structure of spatial design matrices. These are the matrices implicitly defined by quadratic forms that arise naturally in modelling...
Persistent link: https://www.econbiz.de/10005020502
Cover Image
On the stability analysis of nonlinear systems using polynomial Lyapunov functions
Bouzaouache, Hajer; Braiek, Naceur Benhadj - In: Mathematics and Computers in Simulation (MATCOM) 76 (2008) 5, pp. 316-329
In the stability study of nonlinear systems, not to found feasible solution for the LMI problem associated with a quadratic Lyapunov function shows that it doesn’t exist positive definite quadratic Lyapunov function that proves stability of the system, but doesn’t show that the system...
Persistent link: https://www.econbiz.de/10010869927
Cover Image
Multinomial logistic regression algorithm
Böhning, Dankmar - In: Annals of the Institute of Statistical Mathematics 44 (1992) 1, pp. 197-200
Persistent link: https://www.econbiz.de/10005169276
Cover Image
Synchronization criteria for a generalized complex delayed dynamical network model
Wang, Lei; Dai, Hua-ping; Sun, You-xian - In: Physica A: Statistical Mechanics and its Applications 383 (2007) 2, pp. 703-713
It has been demonstrated that most complex networks display synchronization phenomena, and this problem has attracted great attention of various fields including science and engineering. In this paper, a generalized complex dynamical network model with time-varying delays was presented....
Persistent link: https://www.econbiz.de/10010589387
Cover Image
Structured matrices in the application of bivariate interpolation to curve implicitization
Marco, Ana; Martínez, José-Javier - In: Mathematics and Computers in Simulation (MATCOM) 73 (2007) 6, pp. 378-385
A non-standard application of bivariate polynomial interpolation is discussed: the implicitization of a rational algebraic curve given by its parametric equations. Three different approaches using the same interpolation space are considered, and their respective computational complexities are...
Persistent link: https://www.econbiz.de/10011050676