Convenience package using conicfit to fitting an ellipse to data. Provides ellipsis parameters (axes, angle, area, and more). Provides a ggplot2 layer as well.

Generalized ellipsoids

Convenience package using conicfit to calculate an elliptic fit to data. Provides ellipsis parameters (axes, angle, area, and more). Provides a ggplot2 layer as well.

Solve some conic related problems (intersection of conics with lines and conics, arc length of an ellipse, polar lines, etc.).