PTSDdiag: Optimize PTSD Diagnostic Criteria

Provides tools for analyzing and optimizing PTSD (Post-Traumatic Stress Disorder) diagnostic criteria using PCL-5 (PTSD Checklist for DSM-5) data. Functions identify optimal subsets of PCL-5 items that maintain diagnostic accuracy while reducing assessment burden. Includes tools for both hierarchical (cluster-based) and non-hierarchical symptom combinations, calculation of diagnostic metrics, and comparison with standard DSM-5 criteria. Model validation is conducted using holdout and cross-validation methods to assess robustness and generalizability of the results. For more details see Weidmann et al. (2025) <doi:10.31219/osf.io/6rk72_v1>.

Version:	0.1.0
Depends:	R (≥ 3.5.0)
Imports:	dplyr, magrittr, rlang, stats, utils, modelr
Suggests:	DT, knitr, lattice, psych, rmarkdown, testthat (≥ 3.0.0)
Published:	2026-02-13
DOI:	10.32614/CRAN.package.PTSDdiag
Author:	Laura Weidmann [aut], Tobias R. Spiller [aut, cre], Flavio A. Schüepp [aut]
Maintainer:	Tobias R. Spiller <tobias.spiller at access.uzh.ch>
BugReports:	https://github.com/WeidmannL/PTSDdiag/issues
License:	MIT + file LICENSE
URL:	https://github.com/WeidmannL/PTSDdiag
NeedsCompilation:	no
Materials:	README, NEWS
CRAN checks:	PTSDdiag results

Documentation:

Reference manual:	PTSDdiag.html , PTSDdiag.pdf
Vignettes:	An introduction to PTSDdiag (source, R code)

Downloads:

Package source:	PTSDdiag_0.1.0.tar.gz
Windows binaries:	r-devel: PTSDdiag_0.1.0.zip, r-release: PTSDdiag_0.1.0.zip, r-oldrel: PTSDdiag_0.1.0.zip
macOS binaries:	r-release (arm64): PTSDdiag_0.1.0.tgz, r-oldrel (arm64): PTSDdiag_0.1.0.tgz, r-release (x86_64): PTSDdiag_0.1.0.tgz, r-oldrel (x86_64): PTSDdiag_0.1.0.tgz

Linking:

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