Functions for Drawing Ellipses and Ellipse-Like Confidence
Regions
Description
Contains various routines for drawing
ellipses and ellipse-like confidence regions, implementing the plots
described in Murdoch and Chow (1996), A graphical display of large
correlation matrices, The American Statistician 50, 178-180. There are
also routines implementing the profile plots described in Bates and
Watts (1988), Nonlinear Regression Analysis and its Applications.