See the website for this R package https://stapm.gitlab.io/r-packages/mort.tools See the Github code repository https://github.com/STAPM/mort.tools. Note that the Github repository that is linked to this OSF repository is an mirror of the private Gitlab code repository where code development takes place https://gitlab.com/stapm/r-packages/mort.tools. In the event that that linkage is broken, the files in this repository might not update. This R package was developed as part of the Sheffield Tobacco and Alcohol Policy Modelling https://stapm.gitlab.io/ by the School of Health and Related Research at the University of Sheffield. The aim of the research programme is to identify and evaluate approaches to reducing the harm from tobacco and alcohol, with the aim of improving commissioning in a public health policy context, i.e. providing knowledge to support benefits achieved by policymakers. The two objectives of the research programme are: - To evaluate the health and economic effects of past trends, policy changes or interventions that have affected alcohol consumption and/or tobacco smoking - To appraise the health and economic outcomes of potential future trends, changes to alcohol and/or tobacco policy or new interventions The STAPM modelling is not linked to the tobacco or alcohol industry and is conducted without industry funding or influence.