Alfredo Alegría Jiménez
Alfredo Alegría Jiménez
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Cited by
Cited by
Modeling Temporally Evolving and Spatially Globally Dependent Data
E Porcu, A Alegría, R Furrer
International Statistical Review 86 (2), 344-377, 2018
Covariance functions for multivariate Gaussian fields evolving temporally over planet earth
A Alegría, E Porcu, R Furrer, J Mateu
Stochastic Environmental Research and Risk Assessment 33 (8), 1593–1608, 2019
Regularity properties and simulations of Gaussian random fields on the Sphere cross Time
J Clarke, A Alegría, E Porcu
Electronic Journal of Statistics 12 (1), 399-426, 2018
The F-family of covariance functions: A Matérn analogue for modeling random fields on spheres
A Alegría, F Cuevas-Pacheco, P Diggle, E Porcu
Spatial Statistics 43, 100512, 2021
Axially symmetric models for global data: a journey between geostatistics and stochastic generators
E Porcu, S Castruccio, A Alegria, P Crippa
Environmetrics 30 (1), e2555, 2019
The dimple problem related to space–time modeling under the Lagrangian framework
A Alegría, E Porcu
Journal of Multivariate Analysis 162, 110-121, 2017
Estimating covariance functions of multivariate skew-Gaussian random fields on the sphere
A Alegría, S Caro, M Bevilacqua, E Porcu, J Clarke
Spatial Statistics 22, 388-402, 2017
Composite likelihood inference for multivariate Gaussian random fields
M Bevilacqua, A Alegria, D Velandia, E Porcu
Journal of Agricultural, Biological, and Environmental Statistics 21 (3 …, 2016
The Turning Arcs: a Computationally Efficient Algorithm to Simulate Isotropic Vector-Valued Gaussian Random Fields on the -Sphere
A Alegría, X Emery, C Lantuéjoul
Statistics and Computing 30 (5), 1403-1418, 2020
The Gauss hypergeometric covariance kernel for modeling second-order stationary random fields in Euclidean spaces: its compact support, properties and spectral representation
X Emery, A Alegría
Stochastic Environmental Research and Risk Assessment 36 (9), 2819-2834, 2022
Bivariate Matérn covariances with cross-dimple for modeling coregionalized variables
A Alegría, X Emery, E Porcu
Spatial Statistics 41, 100491, 2021
Asymmetric matrix-valued covariances for multivariate random fields on spheres
A Alegría, E Porcu, R Furrer
Journal of Statistical Computation and Simulation 88 (10), 1850-1862, 2018
Likelihood-based inference for multivariate space-time wrapped-Gaussian fields
A Alegría, M Bevilacqua, E Porcu
Journal of Statistical Computation and Simulation 86 (13), 2583-2597, 2016
A spectral algorithm to simulate nonstationary random fields on spheres and multifractal star-shaped random sets
X Emery, A Alegría
Stochastic Environmental Research and Risk Assessment 34 (12), 2301-2311, 2020
Cross‐Dimple in the Cross‐Covariance Functions of Bivariate Isotropic Random Fields on Spheres
A Alegría
Stat 9, e301, 2020
Covariance models and simulation algorithm for stationary vector random fields on spheres crossed with Euclidean spaces
X Emery, A Alegría, D Arroyo
SIAM Journal on Scientific Computing 43 (5), A3114-A3134, 2021
Multivariate isotropic random fields on spheres: Nonparametric Bayesian modeling and fast approximations
A Alegría, PG Bissiri, G Cleanthous, E Porcu, P White
Karhunen-Loève Expansions for Axially Symmetric Gaussian Processes: Modeling Strategies and L2 Approximations
A Alegría, F Cuevas
Stochastic Environmental Research and Risk Assessment 34 (11), 1953–1965, 2020
Assessing the effective sample size for large spatial datasets: A block likelihood approach
J Acosta, A Alegría, F Osorio, R Vallejos
Computational Statistics & Data Analysis 162, 107282, 2021
Hybrid parametric classes of isotropic covariance functions for spatial random fields
A Alegría, F Ramírez, E Porcu
Mathematical Geosciences, 1-21, 2024
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