(Sorry, this is not directly documentation, but might be helpful. If not, feel free to close) Similar efforts: * [Python implementation of REFI](https://gitlab.com/portableqda/portableQDA) as a package * [Python implementation of REFI](https://github.com/ccbogel/QualCoder/blob/master/src/qualcoder/refi.py) in [QualCoder](https://qualcoder.wordpress.com/) * [Discussion of REFI implementation for the Taguette Project](https://gitlab.com/remram44/taguette/-/issues/84)