Added reference to a relevant scientific article in the Description field.
Improved the documentation for all exported functions: included the structure, type, and meaning of the results in the @return section.
Updated run_analysis() to use message() for console output (instead of cat()), improving R compatibility and meeting CRAN requirements.
Replaced Unicode symbols with LaTeX math notation (\eqn{}) in the documentation for PDF manual generation.
General cleanup of code and documentation for CRAN submission.