Agreement and Reliability

http://www.statstutor.ac.uk/resources/uploaded/coventryreliability.pdf

http://www.john-uebersax.com/stat/agree.htm

https://stats.stackexchange.com/questions/3539/inter-rater-reliability-for-ordinal-or-interval-data

ICC and Bland-Altman

see rankin1998 and scott2019