[snippyhollow]

Compulsory "Spikey Spheres" notebook http://nbviewer.jupyter.org/urls/gist.githubusercontent.com/...

[cs702]

Yes. t-SNE is probably the only algorithm that might produce "sensible" 2D mappings.

BTW, matplotlib has a nicer facility than add_subplot() for making grid plots:

  fig, axes = plot.subplots(nrows=figdims, ncols=figdims)
  for dim, ax1 in zip(range(2, MAX_DIM), axes.flatten()[:(MAXDIM-2)]):
  .
  .
  .