Prepare combined output for simulations. This carries out maintenance for the state - upgrading state if sircovid has updated (within reason), sampling starting parameters, reducing to selected regions and (potentially) adding empty strain or booster compartments.
spim_simulate_prepare(
combined,
simulate_parameters,
n_par,
regions = NULL,
seed_voc = FALSE
)
A "combined" object
A nested list of simulation parameters
The number of parameters to sample
Character vector of regions to use
Logical, indicating if seeding a new VOC