Changes in version 2024-01-12 Overview This release addresses the following key points: 1. Rcpp Package Warnings: Resolved warnings from the earlier Rcpp package to enhance code stability. 2. License Information: Added the LICENSE file to ensure clarity on the project's licensing. 3. README Refinement: Improved the README documentation for better clarity and user understanding. Changes in version 2023-11-20 Overview - Enhance the code coverage from 47% to 80%. - Fix bugs of setting default parameters in spatmca. - Resolve C++ compiler issues from RcppParallel and latest R version (> 4) - Update the dependencies Changes in version 2021-02-01 Overview - Fix singular matrix issues by modifying a setting of an ADMM step parameter. - Correct typos. Changes in version 2021-01-12 Overview - Resolve the issue about, why the last version package was archived been fixed, is fixed in this submission by updating Makevars.win and Makevars based on RcppParallel team suggestion. - Add unittests - Use roxygen2 to handle the documentation