ConfidenceEllipse 1.1.0

• Added distribution parameter to the confidence_ellipse() and confidence_ellipsoid functions allowing users to choose between "normal" and "hotelling" (Hotelling’s T²) distributions for ellipse calculation.
• Enhanced statistical rigor: Hotelling’s T² distribution now properly accounts for parameter estimation uncertainty in small sample sizes.
• Updated documentation with detailed explanations of distribution choices and robust methods.
• Added recommendations for parameter selection based on sample size and data characteristics.
• Change name of transform_data helper function to transform_2d and transform_3d for clarity and consistency.

ConfidenceEllipse 1.0.0

• Added robust parameter to the confidence_ellipse() and confidence_ellipsoid functions enabling robust estimation methods using 1-step M-estimator with biweight psi function for location and Minimum Covariance Determinant (MCD) estimator for scale.
• Improved handling of outliers and non-normal data through robust estimation options.
• Enhanced documentation with examples demonstrating the use of robust methods.
• CRAN release with comprehensive vignettes and examples.

ConfidenceEllipse 0.2.1

• Improved code of transform_data helper function.

ConfidenceEllipse 0.2.0

• Added transform_data helper function to streamline data transformation processes.

ConfidenceEllipse 0.1.4

• Modified package logo to include a more visually appealing design.
• Updated package description to better reflect the functionality and features of the package.

ConfidenceEllipse 0.1.3

• Cleaned up code and improved performance of confidence_ellipse() and confidence_ellipsoid() functions.

ConfidenceEllipse 0.1.2

• Introduced confidence_ellipse() function for 2D confidence ellipse calculations.
• Introduced confidence_ellipsoid() function for 3D confidence ellipsoid calculations.

ConfidenceEllipse 0.1.1

• Fixed bug in confidence_ellipse() function where the conf_level parameter was not being correctly applied.

ConfidenceEllipse 0.1.0

• Initial release of the ConfidenceEllipse package.