Dataframe with 190 observations and 8 variables.
id
Character, name of the health district.
prov
Character, name of NUTS-3 region related to the district.
year
Numeric, year of the observation.
hcr
Numeric, head-count ratio estimate (used as response variable).
vars
Numeric, sampling variance of head-count ratio estimator.
n
Numeric, area sample size.
x
Numeric, fake covariate.
pop
Numeric, population size of the area.