Changes in version 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.