Changes in version 0.3.3 (2021-04-19) - Added example data sets and amended example sections. Changes in version 0.2.3 - Fixed spelling errors. Changes in version 0.2.2 - Slightly changed plotting. Changes in version 0.2.1 - Added plotting functions. Changes in version 0.1.4 - Rebuilt for R 4.0.5. Changes in version 0.1.3 - Now SSRT cannot be equal to zero, returns NaN instead. Changes in version 0.1.2 - Minor spelling issue fixes. Changes in version 0.1.1 - Added a NEWS.md file to track changes to the package.