Hen Feng

Dear Professor Thoemmes, Thank you so much for creating this software! It is really great! I would like to ask a question about using the PS Matching with three groups. I understand that in the preprint, you mentioned that: "Also, currently only binary treatment variables are supported and multi-valued categorical, ordinal, or continuous treatment variables cannot be analyzed. A solution for examining effects of multi-valued treatments suggested by Rubin (1997) is to compare two treatment conditions...