data formatting for analysis

[AndrewLJackson]

Spend some time in practical sessions going through the correct format for data for analysis by the various packages. This isn't helped at all by the myriad formats the various packages need the data in.... e.g. different packages, and then different files within each package.

One might even conceive a single common format for the data, to create an overall new SIMM object that can be coerced by various helper functions in siar, mixsiar, simmr, and siber to convert it accordingly for analysis within each... maybe...