CITATION.cff

cff-version: 1.2.0
message: "If you use brfssdata, please cite it using this metadata, and cite the CDC BRFSS survey data for each year analyzed (brfss_citation() prints both)."
type: software
title: "brfssdata: Access CDC Behavioral Risk Factor Surveillance System Data"
authors:
  - family-names: Masum
    given-names: Muntasir
    orcid: "https://orcid.org/0000-0002-4210-2844"
    affiliation: "University at Albany, State University of New York"
version: 0.1.1
date-released: "2026-10-18"
license: MIT
repository-code: "https://github.com/muntasirmasum/brfssdata"
url: "https://muntasirmasum.github.io/brfssdata/"
doi: 10.32614/CRAN.package.brfssdata
identifiers:
  - type: doi
    value: 10.5281/zenodo.21972542
    description: "Zenodo concept DOI for the archived source code (resolves to the latest version)"
  - type: url
    value: "https://CRAN.R-project.org/package=brfssdata"
    description: "CRAN package page"
keywords:
  - BRFSS
  - CDC
  - survey data
  - complex survey design
  - epidemiology
  - public health
  - R package
abstract: "Download, cache, and analyze annual microdata from the United States Centers for Disease Control and Prevention Behavioral Risk Factor Surveillance System (BRFSS). Each requested survey year is downloaded once as a compact file hosted on public releases, verified against a published checksum, and cached locally; queries then run through DuckDB, so column selection and repeat analyses never re-transfer data. Survey-design helpers construct srvyr design objects with year-appropriate weights, strata, and primary sampling units, including explicit handling of the 2011 weighting methodology change and of the codes CDC uses for missing-type answers."