Return a table of variables and their descriptions
Examples
# The descriptions for the first 5 variables
var_desc <- descriptions("nis", 2019)
head(var_desc, 5)
#> # A tibble: 5 × 2
#> variable labels
#> <chr> <chr>
#> 1 AGE Age in years at admission
#> 2 AGE_NEONATE Neonatal age (first 28 days after birth) indicator
#> 3 AMONTH Admission month
#> 4 AWEEKEND Admission day is a weekend
#> 5 DIED Died during hospitalization