Changes in version 0.2.0 (2026-05-07)                  

Major changes

  - Added support for 5-level factorial block designs.
  - Added complete factorial, fractional factorial, and confounded
    factorial generators for 5-level designs: lfebd5(), lfebd5.fr(), and
    lfebd5.cf().
  - Added lfebd5_analyze() for generation and analysis of 5-level
    factorial block designs.
  - Added performance-optimized analysis for larger 5-level designs.

3-level design updates

  - Added clearer 3-level function names: lfebd3(), lfebd3.fr(),
    lfebd3.cf(), and lfebd3.cf.full().
  - Added lfebd3_analyze() as the main wrapper for 3-level designs.
  - The 3-level analyzer now infers factor_levels = rep(3, n)
    automatically.

Output and usability changes

  - Analysis functions now return classed result objects instead of
    printing everything directly.
  - Added print methods for analysis result objects.
  - Reduced unnecessary console output.
  - Large 5-level outputs are limited by default when printed.

Documentation

  - Added roxygen2 documentation for exported functions.
  - Added small executable examples for exported functions.