NEWS
PTSDdiag 0.1.0 (2026-02-13)
- Initial CRAN submission.
- Core analysis functions for identifying optimal 6-symptom PTSD diagnostic
combinations using PCL-5 data.
- Hierarchical (cluster-based) and non-hierarchical analysis approaches.
- DSM-5 diagnostic criteria implementation (binarized and non-binarized).
- Diagnostic accuracy metrics: sensitivity, specificity, PPV, NPV.
- Holdout and k-fold cross-validation methods for model evaluation.
- Simulated PCL-5 dataset with 5,000 observations for demonstration.