Add column `basal_disease` to tidy dataset
Usage
add_basal_disease(data, lookup)
Arguments
- data
A tidy data set with a `disease` column.
- lookup
A lookup table with `disease` and `nesting_disease`
columns that describe a global disease hierarchy that will be applied
to find the basal disease of each `disease` in data.
Value
tidy dataset with basal disease