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# CITATION file created with {cffr} R package
# See also: https://docs.ropensci.org/cffr/
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cff-version: 1.2.0
message: 'To cite package "coder" in publications use:'
type: software
license: GPL-2.0-only
title: 'coder: Deterministic Categorization of Items Based on External Code Data'
version: 0.13.10
doi: 10.32614/CRAN.package.coder
abstract: 'Fast categorization of items based on external code data identified by
  regular expressions. A typical use case considers patient with medically coded data,
  such as codes from the International Classification of Diseases (''ICD'') or the
  Anatomic Therapeutic Chemical (''ATC'') classification system. Functions of the
  package relies on a triad of objects: (1) case data with unit id:s and possible
  dates of interest; (2) external code data for corresponding units in (1) and with
  optional dates of interest and; (3) a classification scheme (''classcodes'' object)
  with regular expressions to identify and categorize relevant codes from (2). It
  is easy to introduce new classification schemes (''classcodes'' objects) or to use
  default schemes included in the package. Use cases includes patient categorization
  based on ''comorbidity indices'' such as ''Charlson'', ''Elixhauser'', ''RxRisk
  V'', or the ''comorbidity-polypharmacy'' score (CPS), as well as adverse events
  after hip and knee replacement surgery.'
authors:
- family-names: Bulow
  given-names: Erik
  email: eriklgb@gmail.com
  orcid: https://orcid.org/0000-0002-9973-456X
repository: https://ropensci.r-universe.dev
repository-code: https://github.com/ropensci/coder
commit: 957d87186c11f55b6df0406684bc787b86b74d39
url: https://docs.ropensci.org/coder/
contact:
- family-names: Bulow
  given-names: Erik
  email: eriklgb@gmail.com
  orcid: https://orcid.org/0000-0002-9973-456X