Changes in version 0.2.0 (2026-01-22)                  

  - Major improvements to documentation, imports, and CRAN compliance.
  - Added full roxygen2 documentation for all parameters and return
    values.
  - Improved NAMESPACE management with explicit @importFrom directives.
  - Enhanced vignette stability and reduced computational load in
    examples.
  - Achieved full CRAN compliance: 0 errors, 0 warnings, 0 notes.

                        Changes in version 0.1.0                        

  - Initial release of cycleTrendR.
  - Added the main function adaptive_cycle_trend_analysis() supporting:
      - LOESS, GAM, and GAMM trend estimation
      - Automatic Fourier harmonic selection (AICc/BIC)
      - Lomb–Scargle periodogram for irregular sampling
      - Bootstrap confidence intervals (IID and MBB)
      - Change-point detection
      - Rolling-origin forecasting
  - Added publication-quality ggplot2 visualizations:
      - Trend + CI
      - Periodogram
      - Residual ACF
      - Diagnostics and summary tables
  - Added a comprehensive vignette: cycleTrendR-overview.
  - Added README with installation instructions and examples.