Changes in version 1.1.3 (2025-12-03) Adding checks to the cat and mix imp functions to check user has coded variables correctly. Changes in version 1.1.2 (2023-06-02) Updating maintainer contact email. Changes in version 1.1.1 (2021-11-20) Adding reference to published version of paper proposing MLMI method to relevant functions. Changes in version 1.1.0 (2021-04-26) Adding functionality for reference based maximum likelihood multiple imputation for continuous endpoints in clinical trials. Changes in version 1.0.0 (2019-08-02) First version released