Prepare aggregated real data for plotting
spim_prepare_aggregated_data(path)
Path to aggregated rds object containing a named list where
names correspond to regions and each element is a list with full
data
and fitted
data
Returns a list where elements correspond to regions and fitted
data is removed. Data processing includes: adding deaths
column as the sum over all death compartments; fixes when NAs converted to 0s erroneously; and fitted data removed.