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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 "OpenSourceAP.DownloadR" in publications use:'
type: software
license: MIT
title: 'OpenSourceAP.DownloadR: Download Open Source Asset Pricing (OpenAP) Data Directly'
version: 0.1.0
identifiers:
- type: doi
  value: 10.32614/CRAN.package.OpenSourceAP.DownloadR
abstract: Convenient download functions enabling access Open Source Asset Pricing
  (OpenAP) data. This package enables users to download predictor portfolio returns
  (over 200 cross-sectional predictors with multiple portfolio construction methods)
  and firm characteristics (over 200 characteristics replicated from the academic
  asset pricing literature). Center for Research in Security Prices (CRSP)-based variables
  such as Price, Size, and Short-term Reversal can be downloaded with a Wharton Research
  Data Services (WRDS, <https://wrds-www.wharton.upenn.edu/>) subscription. For a
  full list of what is available, see <https://www.openassetpricing.com/>.
authors:
- family-names: Zimmermann
  given-names: Tom
  email: tom.zimmermann@uni-koeln.de
  orcid: https://orcid.org/0000-0002-0368-5303
preferred-citation:
  type: article
  title: Open Source Cross-Sectional Asset Pricing
  authors:
  - family-names: Chen
    given-names: Andrew Y.
  - family-names: Zimmermann
    given-names: Tom
    email: tom.zimmermann@uni-koeln.de
    orcid: https://orcid.org/0000-0002-0368-5303
  journal: Critical Finance Review
  year: '2022'
  volume: '27'
  issue: '2'
  start: '207'
  end: '264'
repository: https://opensourceap.r-universe.dev
commit: 9346375e53dc629b465014829c621920ff5c98a9
date-released: '2026-01-17'
contact:
- family-names: Zimmermann
  given-names: Tom
  email: tom.zimmermann@uni-koeln.de
  orcid: https://orcid.org/0000-0002-0368-5303