Changes in version 1.1.0 (2025-09-22) - Changed how likelihood calculations work (for increased performance) - Transitioned from RcppArmadillo to RcppEigen - Function for empirical validation of the Powered Exponential Covariance function Changes in version 1.0.5 (2024-06-14) - Minor bug fixes and documentation enhancement. - Removed NYC datasets (they are too large). - Spatial areal interpolation vignette rewritten. Changes in version 1.0.4.2 - New dataset included - Parallel version of fit_spm2 Changes in version 1.0.4.1 (2022-04-29) - Speeding up sf_to_spm. - Added icon - Improved documentation - Added examples Changes in version 1.0.4 - Generalized Wendland covariance function - More flexible prediction function Changes in version 1.0.3.1 - bug fixes for prediction Changes in version 1.0.3 - fixed Wendland (1) covariance function - support for sparse covariance matrices through the Matrix package Changes in version 1.0.2 - added Wendland (1) covariance function - added "tapered" Matern covariance function Changes in version 1.0.1 - Added a NEWS.md file to track changes to the package. - Fixed Spherical covariance function. - Added Cubic spline covariance function.