Kriging with external drift for functional data for air quality monitoring
Functional data featured by a spatial dependence structure occur in many environmental
sciences when curves are observed, for example, along time or along depth. Recently, some …
sciences when curves are observed, for example, along time or along depth. Recently, some …
A universal kriging approach for spatial functional data
In a wide range of scientific fields the outputs coming from certain measurements often come
in form of curves. In this paper we give a solution to the problem of spatial prediction of non …
in form of curves. In this paper we give a solution to the problem of spatial prediction of non …
[HTML][HTML] Spatial autoregressive and moving average Hilbertian processes
MD Ruiz-Medina - Journal of Multivariate Analysis, 2011 - Elsevier
This paper addresses the introduction and study of structural properties of Hilbert-valued
spatial autoregressive processes (SARH (1) processes), and Hilbert-valued spatial moving …
spatial autoregressive processes (SARH (1) processes), and Hilbert-valued spatial moving …
Spatial functional prediction from spatial autoregressive Hilbertian processes
MD Ruiz‐Medina - Environmetrics, 2012 - Wiley Online Library
The class of spatial autoregressive Hilbertian models (SARH (1) processes) is considered.
The projection estimation methodology proposed here is based on the biorthogonal …
The projection estimation methodology proposed here is based on the biorthogonal …
Functional SAR models: With application to spatial econometrics
Simultaneous autoregressive (SAR) models have been extensively used for the analysis of
spatial data in areas as diverse as demography, economy and geography. These are linear …
spatial data in areas as diverse as demography, economy and geography. These are linear …
Functional time series analysis of spatio–temporal epidemiological data
Spatio–temporal statistical models have been proposed for the analysis of the temporal
evolution of the geographical pattern of mortality (or incidence) risks in disease mapping …
evolution of the geographical pattern of mortality (or incidence) risks in disease mapping …
Spatial autoregressive functional plug-in prediction of ocean surface temperature
MD Ruiz-Medina, RM Espejo - Stochastic environmental research and risk …, 2012 - Springer
This paper addresses the problem of spatial functional extrapolation in the framework of
spatial autoregressive Hilbertian processes of order one (SARH (1) processes) introduced in …
spatial autoregressive Hilbertian processes of order one (SARH (1) processes) introduced in …
A local correlation integral method for outlier detection in spatially correlated functional data
This paper proposes a new methodology for detecting outliers in spatially correlated
functional data. We use a Local Correlation Integral (LOCI) algorithm substituting the …
functional data. We use a Local Correlation Integral (LOCI) algorithm substituting the …
New challenges in spatial and spatiotemporal functional statistics for high-dimensional data
MD Ruiz-Medina - Spatial Statistics, 2012 - Elsevier
Abstract Spatial Functional Statistics has emerged as a powerful tool in the spatial and
spatiotemporal analysis of data arising, for example, from Agriculture, Geology, Soils …
spatiotemporal analysis of data arising, for example, from Agriculture, Geology, Soils …
[HTML][HTML] A goodness-of-fit test for functional time series with applications to Ornstein-Uhlenbeck processes
J Álvarez-Liébana, A López-Pérez… - … Statistics & Data …, 2025 - Elsevier
High-frequency financial data can be collected as a sequence of time-ordered curves, such
as intraday prices. The Functional Data Analysis (FDA) framework offers a powerful …
as intraday prices. The Functional Data Analysis (FDA) framework offers a powerful …