This is document is an attempt to define the minimum viable product for a data structure which reserving methodologies can be built off of. The final section has some ideas about the API for rsvr.
A tabular data structure (a subset of tibble), used to hold historical claim data that is an input to reserving analysis. It has the following columns:
- cohort: (integer or string) [required] A variable that groups claims, or policies together whose development is tracked over time. For example, this might be accident year or underwriting quarter.