COPLOT

CoPlot is the only software which has the world's best procedure for subset selection in multiple regression... Every aspect of CoPlot has been designed around one basic goal: to make a program that is so versatile that scientists and engineers can easily get exactly what they want. CoPlot includes CoStat for data handling and statistics... Graphics and statistics software for scientists and engineers: CoPlot (for publication quality 2D and 3D graphs, maps, and technical drawings), CoStat (for statistical analysis).