Add zeros to data set that are implied by a '0' reported at a coarser timescale.
Arguments
- data
A tidy data set with the following minimal set of columns:
`disease`, `nesting_disease`, `year`, `original_dataset_id`, `iso_3166_2`,
`basal_disease`, `time_scale`, `period_start_date`, `period_end_date`,
`period_mid_date`, `days_this_period`, `dataset_id`
Value
A tidy data set with inferred 0s.