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# CITATION file created with {cffr} R package
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cff-version: 1.2.0
message: 'To cite package "twoCoprimary" in publications use:'
type: software
license: MIT
title: 'twoCoprimary: Sample Size and Power Calculation for Two Co-Primary Endpoints'
version: 1.0.0
doi: 10.32614/CRAN.package.twoCoprimary
abstract: 'Comprehensive functions to calculate sample size and power for clinical
  trials with two co-primary endpoints. The package supports five endpoint combinations:
  two continuous endpoints (Sozu et al. 2011 <https://doi.org/10.1080/10543406.2011.551329>),
  two binary endpoints using asymptotic methods (Sozu et al. 2010 <https://doi.org/10.1002/sim.3972>)
  and exact methods (Homma and Yoshida 2025 <https://doi.org/10.1177/09622802251368697>),
  mixed continuous and binary endpoints (Sozu et al. 2012 <https://doi.org/10.1002/bimj.201100221>),
  and mixed count and continuous endpoints (Homma and Yoshida 2024 <https://doi.org/10.1002/pst.2337>).
  All methods appropriately account for correlation between endpoints and provide
  both sample size and power calculation capabilities.'
authors:
- family-names: Homma
  given-names: Gosuke
  email: my.name.is.gosuke@gmail.com
  orcid: https://orcid.org/0000-0002-6854-5627
repository: https://gosukehommaex.r-universe.dev
repository-code: https://github.com/gosukehommaEX/twoCoprimary
commit: 6c59c3bf42469f7d146499f9d8b6ef6a20c0e8b6
url: https://gosukehommaex.github.io/twoCoprimary/
date-released: '2026-01-01'
contact:
- family-names: Homma
  given-names: Gosuke
  email: my.name.is.gosuke@gmail.com
  orcid: https://orcid.org/0000-0002-6854-5627