Make Age Hash Table — make_age_hash

Create a lookup function that takes a character vector of disease category names and returns a vector of equal length containing either the lower or upper age bounds contained in the categories. If no bound is present then NA is returned.

Usage

make_age_hash_table(
  categories,
  re_templates,
  which_bound = c("lower", "upper", "neither", "single"),
  prefix = ""
)

Arguments

categories: character vector of disease category names
re_templates: list of templates that resolve to regular expressions for matching age information contained in category names
which_bound: resolve the template to match lower or upper bounds, neither (the default), or single
prefix: pattern to match at the beginning of the string that marks the beginning of age information

Value

vector containing either the lower or upper age bounds contained in the categories