Tests for Determining if the Covariance Structure of 2-Dimensional Data is Separable


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Documentation for package ‘covsep’ version 1.1.0

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covsep-package covsep: tests for determining if the covariance structure of 2-dimensional data is separable
C1 A covariance matrix
C2 A covariance matrix
clt_test Test for separability of covariance operators for Gaussian process.
covsep covsep: tests for determining if the covariance structure of 2-dimensional data is separable
difference_fullcov compute the difference between the full sample covariance and its separable approximation
empirical_bootstrap_test Projection-based empirical bootstrap test for separability of covariance structure
gaussian_bootstrap_test Projection-based Gaussian (parametric) bootstrap test for separability of covariance structure
generate_surface_data Generate surface data
HS_empirical_bootstrap_test Empirical bootstrap test for separability of covariance structure using Hilbert-Schmidt distance
HS_gaussian_bootstrap_test Gaussian (parametric) bootstrap test for separability of covariance structure using Hilbert-Schmidt distance
marginal_covariances estimates marginal covariances (e.g. row and column covariances) of bi-dimensional sample
projected_differences Compute the projection of the rescaled difference between the sample covariance and its separable approximation onto the separable eigenfunctions
renormalize_mtnorm renormalize a matrix normal random matrix to have iid entries
rmtnorm Generate a sample from a Matrix Gaussian distribution
SurfacesData A data set of surfaces