gui_andrews             Andrews Tour GUI...
gui_density             Density Tour GUI...
gui_faces               Face Tour GUI...
gui_image               Image Tour GUI...
gui_pcp                 PCP Tour GUI...
gui_scatmat             Scatmat Tour GUI...
gui_stars               Stars Tour GUI...
gui_stereo              Stereo Tour GUI...
gui_tour                Tour GUI...
gui_xy                  Scatterplot Tour GUI...
