Changes in version 0.1.3                        

  - Support for clustering empirical distributions initiated.

                 Changes in version 0.1.2 (2021-08-16)                  

  - Two functions, gskmeans() and spkmeans(), for clustering on the unit
    hypersphere are added.

                 Changes in version 0.1.1 (2021-02-11)                  

  - Added several functionalities.

                 Changes in version 0.1.0 (2020-09-23)                  

  - Added a NEWS.md file to track changes to the package.