Multiple Imputation DOCtor (midoc)
About midoc | Step 1 Specify the analysis and missingness models using a directed acyclic graph | Step 2 Check whether complete records analysis is likely to be a valid strategy | Step 3 Check whether multiple imputation is likely to be a valid strategy | Step 4 Check that all relationships are correctly specified | Step 5 Perform MI using the proposed imputation model | Illustration using our worked example