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Tutorial on Fixed Rank Kriging (FRK) of CO2 data

Report


Type Of Work


  • Report

Abstract


  • In this document, we describe Fixed Rank Kriging (FRK), an approach to the analysis of very large spatial datasets. Such datasets now arise in many fields; our focus is on satellite measurements of CO2 . FRK predictors and standard errors can be computed rapidly, even for datasets with a million or more observations. FRK relies on a so-called spatial random effects (SRE) model, which assumes that the process of interest can be expressed as a linear combination of spatial basis functions, plus a fine-scale-variation component. Here, we describe in detail all steps involved in the analysis of a spatial dataset using FRK, we illustrate the steps using a synthetic dataset, and we provide Matlab code on an accompanying website.

UOW Authors


Publication Date


  • 2011

Citation


  • Katzfuss, M. & Cressie, N. (2011). Tutorial on Fixed Rank Kriging (FRK) of CO2 data. Ohio, United States: The Ohio State University.

Place Of Publication


  • Ohio, United States

Type Of Work


  • Report

Abstract


  • In this document, we describe Fixed Rank Kriging (FRK), an approach to the analysis of very large spatial datasets. Such datasets now arise in many fields; our focus is on satellite measurements of CO2 . FRK predictors and standard errors can be computed rapidly, even for datasets with a million or more observations. FRK relies on a so-called spatial random effects (SRE) model, which assumes that the process of interest can be expressed as a linear combination of spatial basis functions, plus a fine-scale-variation component. Here, we describe in detail all steps involved in the analysis of a spatial dataset using FRK, we illustrate the steps using a synthetic dataset, and we provide Matlab code on an accompanying website.

UOW Authors


Publication Date


  • 2011

Citation


  • Katzfuss, M. & Cressie, N. (2011). Tutorial on Fixed Rank Kriging (FRK) of CO2 data. Ohio, United States: The Ohio State University.

Place Of Publication


  • Ohio, United States