Jordan Creed

Results 3 issues of Jordan Creed

- [x] Allow character covariates - currently only work with numeric - [ ] Find public dataset for paper and to include in /data - [ ] Version number -...

Need to add example dataset that @tgerke is working on for mediator into `data/`

Proportion mediated differs largely from the values from SAS when there is no interaction between exposure and mediator. See tests-no-interaction. However the PM from SAS doesnt necessarily make sense either....