GpGp                    GpGp: Fast Gaussian Process Computing.
L_mult                  Multiply approximate Cholesky by a vector
Linv_mult               Multiply approximate inverse Cholesky by a
                        vector
Linv_mult_grouped       Multiply approximate inverse Cholesky by a
                        vector
cond_sim                Conditional Simulation using Vecchia's
                        approximation
fast_Gp_sim             Approximate GP simulation
fast_Gp_sim_Linv        Approximate GP simulation with specified
                        Linverse
find_ordered_nn         Find ordered nearest neighbors.
find_ordered_nn_brute   Naive brute force nearest neighbor finder
fit_model               Estimate mean and covariance parameters
group_obs               Automatic grouping (partitioning) of locations
jason3                  Windspeed measurements from Jason-3 Satellite
matern_isotropic        Isotropic Matern covariance function
matern_space_time       Space-time Matern-covariance function
matern_sphere           Isotropic Matern covariance function on sphere
matern_sphere_time      Isotropic Matern covariance function on
                        sphere-time
order_coordinate        Sorted coordinate ordering
order_dist_to_point     Distance to specified point ordering
order_maxmin            Maximum minimum distance ordering
order_middleout         Middle-out ordering
predictions             Compute Gaussian process predictions using
                        Vecchia's approximations
proflik_mean            Profile likelihood (profiling out mean only)
proflik_mean_grouped    Grouped Version of Profile Likelihood
                        (profiling out mean only)
proflik_mean_variance   Profile likelihood (profiling out mean and
                        variance)
proflik_mean_variance_grouped
                        Grouped Version of Profile Likelihood
                        (profiling out mean and variance)
proflik_variance        Profile likelihood (profiling out variance in
                        mean-zero model)
proflik_variance_grouped
                        Grouped Version of Profile Likelihood
                        (profiling out variance only)
vecchia_Linv            Inverse Cholesky factor implied by Vecchia's
                        approximation
vecchia_Linv_grouped    Inverse Cholesky factor implied by Vecchia's
                        approximation
vecchia_loglik          Vecchia's approximation to the Gaussian
                        loglikelihood
vecchia_loglik_grouped
                        Grouped Vecchia's approximation to the Gaussian
                        loglikelihood
