An interactive dynamic graphics program for data visualization
in the X Window System.  It is especially designed for the exploration
of multivariate data.  Its basic plot is a scatterplot and there are
a number of the tools available for scatterplot display and manipulation.
It has a direct manipulation interface, and all the manipulations
are performed using the mouse.
It can be used in conjunction with the S language for scientific
computing and data analysis. (Or R language).
Also it can be programmed using RPC to communicate with other software.

--
Tony Maher <tonym@biolateral.com.au>