Interactively take 2-D and 3-D sections in data space, showing where fitted
models intersect the section, and observed data near the section according to
a distance measure. See package website for examples.
Works on Windows, Mac OS and Linux.
Requirements:
* Windows: the standard graphics device is sufficient.
* Mac OS: XQuartz device, website
* Linux: X11, included in some distributions.
Installation:
Example to get started: