R package supporting the introduction to practical disease modelling course
Add mort TO SEIR class, i.e. mortality with no replacement
Add signal interrupt
More flexible freq vs dens by adjusting divide_by (as a function of N???)
... for make_group for parameters etc (or actually give arguments)
Don't return self for basic examples
Use loops for 3B and 4B (no functional), and introduce R6 more gently
Publish package???